Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2025-21629: In the Linux kernel, the following vulnerability has been resolved: net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets CVE-2024-57946: In the Linux kernel, the following vulnerability has been resolved: virtio-blk: don't keep queue frozen during system suspend CVE-2024-57938: In the Linux kernel, the following vulnerability has been resolved: net/sctp: Prevent autoclose integer overflow in sctp_association_init() CVE-2024-57931: In the Linux kernel, the following vulnerability has been resolved: selinux: ignore unknown extended permissions CVE-2024-57903: In the Linux kernel, the following vulnerability has been resolved: net: restrict SO_REUSEPORT to inet sockets CVE-2024-57902: In the Linux kernel, the following vulnerability has been resolved: af_packet: fix vlan_get_tci() vs MSG_PEEK CVE-2024-57901: In the Linux kernel, the following vulnerability has been resolved: af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK CVE-2024-57900: In the Linux kernel, the following vulnerability has been resolved: ila: serialize calls to nf_register_net_hooks() CVE-2024-57896: In the Linux kernel, the following vulnerability has been resolved: btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount CVE-2024-57890: In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Prevent integer overflow issue CVE-2024-57884: In the Linux kernel, the following vulnerability has been resolved: mm: vmscan: account for free pages to prevent infinite Loop in throttle_direct_reclaim() CVE-2024-57882: In the Linux kernel, the following vulnerability has been resolved: mptcp: fix TCP options overflow. CVE-2024-57876: In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Fix resetting msg rx state after topology removal CVE-2024-57874: In the Linux kernel, the following vulnerability has been resolved: arm64: ptrace: fix partial SETREGSET for NT_ARM_TAGGED_ADDR_CTRL CVE-2024-57841: In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcp_conn_request() CVE-2024-57798: In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req() CVE-2024-56783: In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level CVE-2024-56780: In the Linux kernel, the following vulnerability has been resolved: quota: flush quota_release_work upon quota writeback CVE-2024-56779: In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur CVE-2024-56774: In the Linux kernel, the following vulnerability has been resolved: btrfs: add a sanity check for btrfs root in btrfs_search_slot() CVE-2024-56770: In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc CVE-2024-56763: In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent bad count for tracing_cpumask_write CVE-2024-56759: In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when COWing tree bock and tracing is enabled CVE-2024-56756: In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix freeing of the HMB descriptor table CVE-2024-56755: In the Linux kernel, the following vulnerability has been resolved: netfs/fscache: Add a memory barrier for FSCACHE_VOLUME_CREATING CVE-2024-56751: In the Linux kernel, the following vulnerability has been resolved: ipv6: release nexthop on device removal The CI is hitting some aperiodic hangup at device removal time in the pmtu.sh self-test: unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 ref_tracker: veth_A-R1@ffff888013df15d8 has 1/5 users at dst_init+0x84/0x4a0 dst_alloc+0x97/0x150 ip6_dst_alloc+0x23/0x90 ip6_rt_pcpu_alloc+0x1e6/0x520 ip6_pol_route+0x56f/0x840 fib6_rule_lookup+0x334/0x630 ip6_route_output_flags+0x259/0x480 ip6_dst_lookup_tail.constprop.0+0x5c2/0x940 ip6_dst_lookup_flow+0x88/0x190 udp_tunnel6_dst_lookup+0x2a7/0x4c0 vxlan_xmit_one+0xbde/0x4a50 [vxlan] vxlan_xmit+0x9ad/0xf20 [vxlan] dev_hard_start_xmit+0x10e/0x360 __dev_queue_xmit+0xf95/0x18c0 arp_solicit+0x4a2/0xe00 neigh_probe+0xaa/0xf0 While the first suspect is the dst_cache, explicitly tracking the dst owing the last device reference via probes proved such dst is held by the nexthop in the originating fib6_info. Similar to commit f5b51fe804ec ("ipv6: route: purge exception on removal"), we need to explicitly release the originating fib info when disconnecting a to-be-removed device from a live ipv6 dst: move the fib6_info cleanup into ip6_dst_ifdown(). Tested running: ./pmtu.sh cleanup_ipv6_exception in a tight loop for more than 400 iterations with no spat, running an unpatched kernel I observed a splat every ~10 iterations. CVE-2024-56745: In the Linux kernel, the following vulnerability has been resolved: PCI: Fix reset_method_store() memory leak CVE-2024-56739: In the Linux kernel, the following vulnerability has been resolved: rtc: check if __rtc_read_time was successful in rtc_timer_do_work() CVE-2024-56720: In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpf_msg_pop_data CVE-2024-56716: In the Linux kernel, the following vulnerability has been resolved: netdevsim: prevent bad user input in nsim_dev_health_break_write() CVE-2024-56709: In the Linux kernel, the following vulnerability has been resolved: io_uring: check if iowq is killed before queuing CVE-2024-56694: In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SK_PASS CVE-2024-56693: In the Linux kernel, the following vulnerability has been resolved:
Fixed packages 21
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | bpftool | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | bpftool-debuginfo | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-debuginfo | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-debuginfo-common-aarch64 | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-debuginfo-common-x86_64 | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-devel | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-headers | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-libbpf | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-libbpf-devel | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-libbpf-static | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-livepatch-6.1.124-134.200 | 0:1.0-0.amzn2023 |
| Amazon Linux · 2023 | kernel-modules-extra | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-modules-extra-common | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-tools | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-tools-debuginfo | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | kernel-tools-devel | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | perf | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | perf-debuginfo | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | python3-perf | 0:6.1.124-134.200.amzn2023 |
| Amazon Linux · 2023 | python3-perf-debuginfo | 0:6.1.124-134.200.amzn2023 |
Vulnerabilities 111
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Critical 9.8
tcp: Fix use-after-free of nreq in reqsk_timer_handler().
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix use-after-free of nreq in reqsk_timer_handler(). The cited commit replaced inet_csk_reqsk_queue_drop_and_put() with __inet_csk_reqsk_queue_drop() and reqsk_put() in reqsk_timer_handl…
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Critical 9.8
can: j1939: j1939_session_new(): fix skb reference counting
In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_session_new(): fix skb reference counting Since j1939_session_skb_queue() does an extra skb_get() for each new skb, do the same for the initial one in j1939_session_new() to…
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Critical 9.8
nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur The action force umount(umount -f) will attempt to kill all rpc_task even umount operation may ultimately fail if some files rem…
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Critical 9.8
mptcp: fix TCP options overflow.
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix TCP options overflow. Syzbot reported the following splat: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI KA…
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Critical 9.1
NFSD: Prevent a potential integer overflow
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent a potential integer overflow If the tag length is >= U32_MAX - 3 then the "length + 4" addition can result in an integer overflow. Address this by splitting the decoding into se…
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High 8.2
net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets
In the Linux kernel, the following vulnerability has been resolved: net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets The blamed commit disabled hardware offoad of IPv6 packets with extension headers on devices that advertise NETIF_F_IPV6_CSUM, base…
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High 7.8
io_uring/rw: split io_read() into a helper
In the Linux kernel, the following vulnerability has been resolved: IORING_OP_READ did not correctly consume the provided buffer list when read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return). This can lead to a potential use-after-free when the…
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High 7.8
fs/ntfs3: Fixed overflow check in mi_enum_attr()
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed overflow check in mi_enum_attr()
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High 7.8
mm: call the security_mmap_file() LSM hook in remap_file_pages()
In the Linux kernel, the following vulnerability has been resolved: mm: call the security_mmap_file() LSM hook in remap_file_pages() The remap_file_pages syscall handler calls do_mmap() directly, which doesn't contain the LSM security check. And if the proces…
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High 7.8
bpf: Fix helper writes to read-only maps
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix helper writes to read-only maps Lonial found an issue that despite user- and BPF-side frozen BPF map (like in case of .rodata), it was still possible to write into it from a BPF prog…
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High 7.8
driver core: bus: Fix double free in driver API bus_register()
In the Linux kernel, the following vulnerability has been resolved: driver core: bus: Fix double free in driver API bus_register() For bus_register(), any error which happens after kset_register() will cause that @priv are freed twice, fixed by setting @priv …
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High 7.8
nfsd: cancel nfsd_shrinker_work using sync mode in nfs4_state_shutdown_net
In the Linux kernel, the following vulnerability has been resolved: nfsd: cancel nfsd_shrinker_work using sync mode in nfs4_state_shutdown_net In the normal case, when we excute `echo 0 > /proc/fs/nfsd/threads`, the function `nfs4_state_destroy_net` in `nfs4_…
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High 7.8
bpf: sync_linked_regs() must preserve subreg_def
In the Linux kernel, the following vulnerability has been resolved: bpf: sync_linked_regs() must preserve subreg_def Range propagation must not affect subreg_def marks, otherwise the following example is rewritten by verifier incorrectly when BPF_F_TEST_RND_H…
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High 7.8
netfilter: ipset: add missing range check in bitmap_ip_uadt
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: add missing range check in bitmap_ip_uadt When tb[IPSET_ATTR_IP_TO] is not present but tb[IPSET_ATTR_CIDR] exists, the values of ip and ip_to are slightly swapped. Therefore…
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High 7.8
net: sched: fix ordering of qlen adjustment
In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify p…
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High 7.8
NFSv4.0: Fix a use-after-free problem in the asynchronous open()
In the Linux kernel, the following vulnerability has been resolved: NFSv4.0: Fix a use-after-free problem in the asynchronous open() Yang Erkun reports that when two threads are opening files at the same time, and are forced to abort before a reply is seen, t…
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High 7.8
SUNRPC: make sure cache entry active before cache_show
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: make sure cache entry active before cache_show The function `c_show` was called with protection from RCU. This only ensures that `cp` will not be freed. Therefore, the reference count…
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High 7.8
PCI: Fix use-after-free of slot->bus on hot remove
In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free of slot->bus on hot remove Dennis reports a boot crash on recent Lenovo laptops with a USB4 dock. Since commit 0fc70886569c ("thunderbolt: Reset USB4 v2 host router") …
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High 7.8
xen: Fix the issue of resource not being properly released in xenbus_dev_probe()
In the Linux kernel, the following vulnerability has been resolved: xen: Fix the issue of resource not being properly released in xenbus_dev_probe() This patch fixes an issue in the function xenbus_dev_probe(). In the xenbus_dev_probe() function, within the i…
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High 7.8
vfio/pci: Properly hide first-in-list PCIe extended capability
In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Properly hide first-in-list PCIe extended capability There are cases where a PCIe extended capability should be hidden from the user. For example, an unknown capability (i.e., capab…
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High 7.8
nfsd: make sure exp active before svc_export_show
In the Linux kernel, the following vulnerability has been resolved: nfsd: make sure exp active before svc_export_show The function `e_show` was called with protection from RCU. This only ensures that `exp` will not be freed. Therefore, the reference count for…
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High 7.8
btrfs: fix use-after-free in btrfs_encoded_read_endio()
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free in btrfs_encoded_read_endio() Shinichiro reported the following use-after free that sometimes is happening in our CI system when running fstests' btrfs/284 on a TCMU…
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High 7.8
net: inet6: do not leave a dangling sk pointer in inet6_create()
In the Linux kernel, the following vulnerability has been resolved: net: inet6: do not leave a dangling sk pointer in inet6_create() sock_init_data() attaches the allocated sk pointer to the provided sock object. If inet6_create() fails later, the sk object i…
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High 7.8
net: inet: do not leave a dangling sk pointer in inet_create()
In the Linux kernel, the following vulnerability has been resolved: net: inet: do not leave a dangling sk pointer in inet_create() sock_init_data() attaches the allocated sk object to the provided sock object. If inet_create() fails later, the sk object is fr…
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High 7.8
net: af_can: do not leave a dangling sk pointer in can_create()
In the Linux kernel, the following vulnerability has been resolved: net: af_can: do not leave a dangling sk pointer in can_create() On error can_create() frees the allocated sk object, but sock_init_data() has already attached it to the provided sock object. …
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High 7.8
af_packet: avoid erroring out after sock_init_data() in packet_create()
In the Linux kernel, the following vulnerability has been resolved: af_packet: avoid erroring out after sock_init_data() in packet_create() After sock_init_data() the allocated sk object is attached to the provided sock object. On error, packet_create() frees…
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High 7.8
xsk: fix OOB map writes when deleting elements
In the Linux kernel, the following vulnerability has been resolved: xsk: fix OOB map writes when deleting elements Jordy says: " In the xsk_map_delete_elem function an unsigned integer (map->max_entries) is compared with a user-controlled signed integer (k). …
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High 7.8
bpf: fix OOB devmap writes when deleting elements
In the Linux kernel, the following vulnerability has been resolved: bpf: fix OOB devmap writes when deleting elements Jordy reported issue against XSKMAP which also applies to DEVMAP - the index used for accessing map entry, due to being a signed integer, cau…
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High 7.8
tipc: Fix use-after-free of kernel socket in cleanup_bearer().
In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanup_bearer(). syzkaller reported a use-after-free of UDP kernel socket in cleanup_bearer() without repro. [0][1] When bearer_disable() calls t…
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High 7.8
net: defer final 'struct net' free in netns dismantle
In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_tem…
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High 7.8
blk-cgroup: Fix UAF in blkcg_unpin_online()
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix UAF in blkcg_unpin_online() blkcg_unpin_online() walks up the blkcg hierarchy putting the online pin. To walk up, it uses blkcg_parent(blkcg) but it was calling that after blk…
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High 7.8
bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors Uprobes always use bpf_prog_run_array_uprobe() under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF …
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High 7.8
brd: defer automatic disk creation until module initialization succeeds
In the Linux kernel, the following vulnerability has been resolved: brd: defer automatic disk creation until module initialization succeeds My colleague Wupeng found the following problems during fault injection: BUG: unable to handle page fault for address: …
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High 7.8
io_uring: check if iowq is killed before queuing
In the Linux kernel, the following vulnerability has been resolved: io_uring: check if iowq is killed before queuing task work can be executed after the task has gone through io_uring termination, whether it's the final task_work run or the fallback path. In …
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High 7.8
bpf, sockmap: Several fixes to bpf_msg_pop_data
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpf_msg_pop_data Several fixes to bpf_msg_pop_data, 1. In sk_msg_shift_left, we should put_page 2. if (len == 0), return early is better 3. pop the entire sk_ms…
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High 7.8
btrfs: fix use-after-free when COWing tree bock and tracing is enabled
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when COWing tree bock and tracing is enabled When a COWing a tree block, at btrfs_cow_block(), and we have the tracepoint trace_btrfs_cow_block() enabled and preempt…
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High 7.8
drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()
In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req() While receiving an MST up request message from one thread in drm_dp_mst_handle_up_req(), the MST topology could b…
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High 7.8
btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount
In the Linux kernel, the following vulnerability has been resolved: btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount During the unmount path, at close_ctree(), we first stop the cleaner kthread, using kthread_stop() which fre…
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High 7.8
ila: serialize calls to nf_register_net_hooks()
In the Linux kernel, the following vulnerability has been resolved: ila: serialize calls to nf_register_net_hooks() syzbot found a race in ila_add_mapping() [1] commit 031ae72825ce ("ila: call nf_unregister_net_hooks() sooner") attempted to fix a similar issu…
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High 7.5
NFSD: Prevent NULL dereference in nfsd4_process_cb_update()
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try…
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High 7.5
net/ipv6: release expired exception dst cached in socket
In the Linux kernel, the following vulnerability has been resolved: net/ipv6: release expired exception dst cached in socket Dst objects get leaked in ip6_negative_advice() when this function is executed for an expired IPv6 route located in the exception tabl…
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High 7.5
sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport
In the Linux kernel, the following vulnerability has been resolved: sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport Since transport->sock has been set to NULL during reset transport, XPRT_SOCK_UPD_TIMEOUT also needs to be cleared. Otherwise, the xs_t…
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High 7.5
bpf: fix recursive lock when verdict program return SK_PASS
In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SK_PASS When the stream_verdict program returns SK_PASS, it places the received skb into its own receive queue, but a recursive lock eventu…
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High 7.3
arm64/sve: Discard stale CPU state when handling SVE traps
In the Linux kernel, the following vulnerability has been resolved: arm64/sve: Discard stale CPU state when handling SVE traps The logic for handling SVE traps manipulates saved FPSIMD/SVE state incorrectly, and a race with preemption can result in a task hav…
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High 7.3
netfilter: ipset: Hold module reference while requesting a module
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Hold module reference while requesting a module User space may unload ip_set.ko while it is itself requesting a set type backend module, leading to a kernel crash. The race …
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High 7.3
af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK
In the Linux kernel, the following vulnerability has been resolved: af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK Blamed commit forgot MSG_PEEK case, allowing a crash [1] as found by syzbot. Rework vlan_get_protocol_dgram() to not touch skb at all, so …
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High 7.3
af_packet: fix vlan_get_tci() vs MSG_PEEK
In the Linux kernel, the following vulnerability has been resolved: af_packet: fix vlan_get_tci() vs MSG_PEEK Blamed commit forgot MSG_PEEK case, allowing a crash [1] as found by syzbot. Rework vlan_get_tci() to not touch skb at all, so that it can be used fr…
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High 7.1
xfs: add bounds checking to xlog_recover_process_data
In the Linux kernel, the following vulnerability has been resolved: xfs: add bounds checking to xlog_recover_process_data There is a lack of verification of the space occupied by fixed members of xlog_op_header in the xlog_recover_process_data. We can create …
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High 7.1
fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name
In the Linux kernel, the following vulnerability has been resolved: fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name It's observed that a crash occurs during hot-remove a memory device, in which user is accessing the hugetlb. See calltrac…
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High 7.1
ntfs3: Add bounds checking to mi_enum_attr()
In the Linux kernel, the following vulnerability has been resolved: ntfs3: Add bounds checking to mi_enum_attr() Added bounds checking to make sure that every attr don't stray beyond valid memory region.
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High 7.1
bpf: Check validity of link->type in bpf_link_show_fdinfo()
In the Linux kernel, the following vulnerability has been resolved: bpf: Check validity of link->type in bpf_link_show_fdinfo() If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds …
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High 7.0
btrfs: ref-verify: fix use-after-free after invalid ref action
In the Linux kernel, the following vulnerability has been resolved: btrfs: ref-verify: fix use-after-free after invalid ref action At btrfs_ref_tree_mod() after we successfully inserted the new ref entry (local variable 'ref') into the respective block entry'…
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Medium 6.1
arm64: ptrace: fix partial SETREGSET for NT_ARM_TAGGED_ADDR_CTRL
In the Linux kernel, the following vulnerability has been resolved: arm64: ptrace: fix partial SETREGSET for NT_ARM_TAGGED_ADDR_CTRL Currently tagged_addr_ctrl_set() doesn't initialize the temporary 'ctrl' variable, and a SETREGSET call with a length of zero …
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Medium 5.5
i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock
In the Linux kernel, the following vulnerability has been resolved: i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock A deadlock may happen since the i3c_master_register() acquires &i3cbus->lock twice. See the log below. U…
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Medium 5.5
i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request Bus cleanup path in DMA mode may trigger a RING_OP_STAT interrupt when the ring is being stopped. Depending on timing between …
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Medium 5.5
bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again
In the Linux kernel, the following vulnerability has been resolved: bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again Commit 028ddcac477b ("bcache: Remove unnecessary NULL point check in node allocations") leads a NULL pointer deference in cache_set_f…
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Medium 5.5
mm: page_alloc: move mlocked flag clearance into free_pages_prepare()
In the Linux kernel, the following vulnerability has been resolved: mm: page_alloc: move mlocked flag clearance into free_pages_prepare() Syzbot reported a bad page state problem caused by a page being freed using free_page() still having a mlocked flag at fr…
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Medium 5.5
firmware: arm_scpi: Check the DVFS OPP count returned by the firmware
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scpi: Check the DVFS OPP count returned by the firmware Fix a kernel crash with the below call trace when the SCPI firmware returns OPP count of zero. dvfs_info.opp_count may be…
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Medium 5.5
ipc: fix memleak if msg_init_ns failed in create_ipc_ns
In the Linux kernel, the following vulnerability has been resolved: ipc: fix memleak if msg_init_ns failed in create_ipc_ns Percpu memory allocation may failed during create_ipc_ns however this fail is not handled properly since ipc sysctls and mq sysctls is …
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Medium 5.5
s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct()
In the Linux kernel, the following vulnerability has been resolved: s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct() Passing MSG_PEEK flag to skb_recv_datagram() increments skb refcount (skb->users) and iucv_sock_recvmsg() does not decrement skb…
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Medium 5.5
unicode: Fix utf8_load() error path
In the Linux kernel, the following vulnerability has been resolved: unicode: Fix utf8_load() error path utf8_load() requests the symbol "utf8_data_table" and then checks if the requested UTF-8 version is supported. If it's unsupported, it tries to put the dat…
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Medium 5.5
Drivers: hv: util: Avoid accessing a ringbuffer not initialized yet
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: util: Avoid accessing a ringbuffer not initialized yet If the KVP (or VSS) daemon starts before the VMBus channel's ringbuffer is fully initialized, we can hit the panic below: h…
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Medium 5.5
drm/modes: Avoid divide by zero harder in drm_mode_vrefresh()
In the Linux kernel, the following vulnerability has been resolved: drm/modes: Avoid divide by zero harder in drm_mode_vrefresh() drm_mode_vrefresh() is trying to avoid divide by zero by checking whether htotal or vtotal are zero. But we may still end up with…
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Medium 5.5
ftrace: Fix regression with module command in stack_trace_filter
In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix regression with module command in stack_trace_filter When executing the following command: # echo "write*:mod:ext3" > /sys/kernel/tracing/stack_trace_filter The current mod comman…
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Medium 5.5
leds: class: Protect brightness_show() with led_cdev->led_access mutex
In the Linux kernel, the following vulnerability has been resolved: leds: class: Protect brightness_show() with led_cdev->led_access mutex There is NULL pointer issue observed if from Process A where hid device being added which results in adding a led_cdev a…
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Medium 5.5
gpio: grgpio: Add NULL check in grgpio_probe
In the Linux kernel, the following vulnerability has been resolved: gpio: grgpio: Add NULL check in grgpio_probe devm_kasprintf() can return a NULL pointer on failure,but this returned value in grgpio_probe is not checked. Add NULL check in grgpio_probe, to h…
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Medium 5.5
net: hsr: avoid potential out-of-bound access in fill_frame_info()
In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fill_frame_info() syzbot is able to feed a packet with 14 bytes, pretending it is a vlan one. Since fill_frame_info() is relying on skb->mac_l…
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Medium 5.5
net/mlx5: DR, prevent potential error pointer dereference
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: DR, prevent potential error pointer dereference The dr_domain_add_vport_cap() function generally returns NULL on error but sometimes we want it to return ERR_PTR(-EBUSY) so the call…
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Medium 5.5
bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog
In the Linux kernel, the following vulnerability has been resolved: bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog Syzbot reported [1] crash that happens for following tracing scenario: - create tracepoint perf event with attr.inherit=1…
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Medium 5.5
usb: musb: Fix hardware lockup on first Rx endpoint request
In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fix hardware lockup on first Rx endpoint request There is a possibility that a request's callback could be invoked from usb_ep_queue() (call trace below, supplemented with missing …
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Medium 5.5
netdevsim: prevent bad user input in nsim_dev_health_break_write()
In the Linux kernel, the following vulnerability has been resolved: netdevsim: prevent bad user input in nsim_dev_health_break_write() If either a zero count or a large one is provided, kernel can crash.
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Medium 5.5
rtc: check if __rtc_read_time was successful in rtc_timer_do_work()
In the Linux kernel, the following vulnerability has been resolved: rtc: check if __rtc_read_time was successful in rtc_timer_do_work() If the __rtc_read_time call fails,, the struct rtc_time tm; may contain uninitialized data, or an illegal date/time read fr…
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Medium 5.5
netfs/fscache: Add a memory barrier for FSCACHE_VOLUME_CREATING
In the Linux kernel, the following vulnerability has been resolved: netfs/fscache: Add a memory barrier for FSCACHE_VOLUME_CREATING In fscache_create_volume(), there is a missing memory barrier between the bit-clearing operation and the wake-up operation. Thi…
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Medium 5.5
nvme-pci: fix freeing of the HMB descriptor table
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix freeing of the HMB descriptor table The HMB descriptor table is sized to the maximum number of descriptors that could be used for a given device, but __nvme_alloc_host_mem could…
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Medium 5.5
net/sched: netem: account for backlog updates from child qdisc
In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of the number of packets that the qdisc itself and all of its childre…
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Medium 5.5
btrfs: add a sanity check for btrfs root in btrfs_search_slot()
In the Linux kernel, the following vulnerability has been resolved: btrfs: add a sanity check for btrfs root in btrfs_search_slot() Syzbot reports a null-ptr-deref in btrfs_search_slot(). The reproducer is using rescue=ibadroots, and the extent tree root is c…
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Medium 5.5
quota: flush quota_release_work upon quota writeback
In the Linux kernel, the following vulnerability has been resolved: quota: flush quota_release_work upon quota writeback One of the paths quota writeback is called from is: freeze_super() sync_filesystem() ext4_sync_fs() dquot_writeback_dquots() Since we curr…
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Medium 5.5
netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level cgroup maximum depth is INT_MAX by default, there is a cgroup toggle to restrict this maximum depth to a more reasonable val…
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Medium 5.5
net: fix memory leak in tcp_conn_request()
In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcp_conn_request() If inet_csk_reqsk_queue_hash_add() return false, tcp_conn_request() will return without free the dst memory, which allocated in af_ops->route_req. H…
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Medium 5.5
RDMA/uverbs: Prevent integer overflow issue
In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Prevent integer overflow issue In the expression "cmd.wqe_size * cmd.wr_count", both variables are u32 values that come from the user so the multiplication can lead to integer wr…
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Medium 5.5
net/sctp: Prevent autoclose integer overflow in sctp_association_init()
In the Linux kernel, the following vulnerability has been resolved: net/sctp: Prevent autoclose integer overflow in sctp_association_init() While by default max_autoclose equals to INT_MAX / HZ, one may set net.sctp.max_autoclose to UINT_MAX. There is code in…
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Medium 5.5
virtio-blk: don't keep queue frozen during system suspend
In the Linux kernel, the following vulnerability has been resolved: virtio-blk: don't keep queue frozen during system suspend Commit 4ce6e2db00de ("virtio-blk: Ensure no requests in virtqueues before deleting vqs.") replaces queue quiesce with queue freeze in…
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Medium 4.7
iommu/arm-smmu: Defer probe of clients after smmu device bound
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Defer probe of clients after smmu device bound Null pointer dereference occurs due to a race between smmu driver probe and client driver probe, when of_dma_configure() for cli…
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Low 3.3
PCI: Fix reset_method_store() memory leak
In the Linux kernel, the following vulnerability has been resolved: PCI: Fix reset_method_store() memory leak In reset_method_store(), a string is allocated via kstrndup() and assigned to the local "options". options is then used in with strsep() to find spac…
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Unscored —
btrfs: qgroup: fix qgroup prealloc rsv leak in subvolume operations
In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix qgroup prealloc rsv leak in subvolume operations Create subvolume, create snapshot and delete subvolume all use btrfs_subvolume_reserve_metadata() to reserve metadata for t…
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Unscored —
closures: Change BUG_ON() to WARN_ON()
In the Linux kernel, the following vulnerability has been resolved: closures: Change BUG_ON() to WARN_ON() If a BUG_ON() can be hit in the wild, it shouldn't be a BUG_ON() For reference, this has popped up once in the CI, and we'll need more info to debug it:…
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Unscored —
btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info() in walk_down_proc()
In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info() in walk_down_proc() We handle errors here properly, ENOMEM isn't fatal, return the error.
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Unscored —
rcu-tasks: Fix access non-existent percpu rtpcp variable in rcu_tasks_need_gpcb()
In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcu_tasks_need_gpcb() For kernels built with CONFIG_FORCE_NR_CPUS=y, the nr_cpu_ids is defined as NR_CPUS instead of the number of …
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Unscored —
net/mlx5e: Don't call cleanup on profile rollback failure
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Don't call cleanup on profile rollback failure When profile rollback fails in mlx5e_netdev_change_profile, the netdev profile var is left set to NULL. Avoid a crash when unloading …
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Unscored —
net: fix crash when config small gso_max_size/gso_ipv4_max_size
In the Linux kernel, the following vulnerability has been resolved: net: fix crash when config small gso_max_size/gso_ipv4_max_size Config a small gso_max_size/gso_ipv4_max_size will lead to an underflow in sk_dst_gso_max_size(), which may trigger a BUG_ON cr…
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Unscored —
igb: Fix potential invalid memory access in igb_init_module()
In the Linux kernel, the following vulnerability has been resolved: igb: Fix potential invalid memory access in igb_init_module() The pci_register_driver() can fail and when this happened, the dca_notifier needs to be unregistered, otherwise the dca_notifier …
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Unscored —
initramfs: avoid filename buffer overrun
In the Linux kernel, the following vulnerability has been resolved: initramfs: avoid filename buffer overrun The initramfs filename field is defined in Documentation/driver-api/early-userspace/buffer-format.rst as: 37 cpio_file := ALGN(4) + cpio_header + file…
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Unscored —
KVM: arm64: Don't retire aborted MMIO instruction
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't retire aborted MMIO instruction Returning an abort to the guest for an unsupported MMIO access is a documented feature of the KVM UAPI. Nevertheless, it's clear that this pl…
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Unscored —
xen/netfront: fix crash when removing device
In the Linux kernel, the following vulnerability has been resolved: xen/netfront: fix crash when removing device When removing a netfront device directly after a suspend/resume cycle it might happen that the queues have not been setup again, causing a crash d…
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Unscored —
ipvs: fix UB due to uninitialized stack access in ip_vs_protocol_init()
In the Linux kernel, the following vulnerability has been resolved: ipvs: fix UB due to uninitialized stack access in ip_vs_protocol_init() Under certain kernel configurations when building with Clang/LLVM, the compiler does not generate a return or jump as t…
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Unscored —
KVM: x86: Play nice with protected guests in complete_hypercall_exit()
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Play nice with protected guests in complete_hypercall_exit() Use is_64_bit_hypercall() instead of is_64_bit_mode() to detect a 64-bit hypercall when completing said hypercall. For g…
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Unscored —
i3c: master: Fix miss free init_dyn_addr at i3c_master_put_i3c_addrs()
In the Linux kernel, the following vulnerability has been resolved: i3c: master: Fix miss free init_dyn_addr at i3c_master_put_i3c_addrs() if (dev->boardinfo && dev->boardinfo->init_dyn_addr) ^^^ here check "init_dyn_addr" i3c_bus_set_addr_slot_status(&master…
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Unscored —
ovl: Filter invalid inodes with missing lookup function
In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovl_dentry_weird() function to prevent the processing of directory inodes that lack the lookup function. This is imp…
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Unscored —
io_uring/tctx: work around xa_store() allocation error issue
In the Linux kernel, the following vulnerability has been resolved: io_uring/tctx: work around xa_store() allocation error issue syzbot triggered the following WARN_ON: WARNING: CPU: 0 PID: 16 at io_uring/tctx.c:51 __io_uring_free+0xfa/0x140 io_uring/tctx.c:5…
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Unscored —
kcsan: Turn report_filterlist_lock into a raw_spinlock
In the Linux kernel, the following vulnerability has been resolved: kcsan: Turn report_filterlist_lock into a raw_spinlock Ran Xiaokai reports that with a KCSAN-enabled PREEMPT_RT kernel, we can see splats like: | BUG: sleeping function called from invalid co…
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Unscored —
drm/dp_mst: Fix MST sideband message body length check
In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Fix MST sideband message body length check Fix the MST sideband message body length check, which must be at least 1 byte accounting for the message body CRC (aka message data CRC)…
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Unscored —
can: dev: can_set_termination(): allow sleeping GPIOs
In the Linux kernel, the following vulnerability has been resolved: can: dev: can_set_termination(): allow sleeping GPIOs In commit 6e86a1543c37 ("can: dev: provide optional GPIO based termination support") GPIO based termination support was added. For no par…
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Unscored —
tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg
In the Linux kernel, the following vulnerability has been resolved: tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg The current sk memory accounting logic in __SK_REDIRECT is pre-uncharging tosend bytes, which is either msg->sg.size or a smaller val…
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Unscored —
geneve: do not assume mac header is set in geneve_xmit_skb()
In the Linux kernel, the following vulnerability has been resolved: geneve: do not assume mac header is set in geneve_xmit_skb() We should not assume mac header is set in output path. Use skb_eth_hdr() instead of eth_hdr() to fix the issue. sysbot reported th…
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Unscored —
crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY Since commit 8f4f68e788c3 ("crypto: pcrypt - Fix hungtask for PADATA_RESET"), the pcrypt encryption and dec…
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Unscored —
ipv6: release nexthop on device removal
In the Linux kernel, the following vulnerability has been resolved: ipv6: release nexthop on device removal The CI is hitting some aperiodic hangup at device removal time in the pmtu.sh self-test: unregister_netdevice: waiting for veth_A-R1 to become free. Us…
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Unscored —
tracing: Prevent bad count for tracing_cpumask_write
In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent bad count for tracing_cpumask_write If a large count is provided, it will trigger a warning in bitmap_parse_user. Also check zero for it.
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Unscored —
drm/dp_mst: Fix resetting msg rx state after topology removal
In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Fix resetting msg rx state after topology removal If the MST topology is removed during the reception of an MST down reply or MST up request sideband message, the drm_dp_mst_topol…
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Unscored —
mm: vmscan: account for free pages to prevent infinite Loop in throttle_direct_reclaim()
In the Linux kernel, the following vulnerability has been resolved: mm: vmscan: account for free pages to prevent infinite Loop in throttle_direct_reclaim() The task sometimes continues looping in throttle_direct_reclaim() because allow_direct_reclaim(pgdat) …
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Unscored —
net: restrict SO_REUSEPORT to inet sockets
In the Linux kernel, the following vulnerability has been resolved: net: restrict SO_REUSEPORT to inet sockets After blamed commit, crypto sockets could accidentally be destroyed from RCU call back, as spotted by zyzbot [1]. Trying to acquire a mutex in RCU c…
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Unscored —
selinux: ignore unknown extended permissions
In the Linux kernel, the following vulnerability has been resolved: selinux: ignore unknown extended permissions When evaluating extended permissions, ignore unknown permissions instead of calling BUG(). This commit ensures that future permissions can be adde…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-52926.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-27407.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-35956.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-41014.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-42252.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-43098.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-45828.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-46841.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47745.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-48881.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-49861.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-49926.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-49934.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-50055.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-50121.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-50146.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-50248.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-50258.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-50275.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-52332.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53099.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53105.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53125.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53141.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53142.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53146.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53157.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53164.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53173.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-53174.html