Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2024-50201: In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix encoder->possible_clones CVE-2024-50200: In the Linux kernel, the following vulnerability has been resolved: maple_tree: correct tree corruption on spanning store CVE-2024-50199: In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: skip HugeTLB pages for unuse_vma CVE-2024-50195: In the Linux kernel, the following vulnerability has been resolved: posix-clock: Fix missing timespec64 check in pc_clock_settime() CVE-2024-50194: In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels CVE-2024-50192: In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v4: Don't allow a VMOVP on a dying VPE CVE-2024-50191: In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SB_RDONLY after filesystem errors CVE-2024-50186: In the Linux kernel, the following vulnerability has been resolved: net: explicitly clear the sk pointer, when pf->create fails CVE-2024-50185: In the Linux kernel, the following vulnerability has been resolved: mptcp: handle consistently DSS corruption CVE-2024-50182: In the Linux kernel, the following vulnerability has been resolved: secretmem: disable memfd_secret() if arch cannot set direct map CVE-2024-50179: In the Linux kernel, the following vulnerability has been resolved: ceph: remove the incorrect Fw reference check when dirtying pages CVE-2024-50163: In the Linux kernel, the following vulnerability has been resolved: bpf: Make sure internal and UAPI bpf_redirect flags don't overlap CVE-2024-50162: In the Linux kernel, the following vulnerability has been resolved: bpf: devmap: provide rxq after redirect CVE-2024-50155: In the Linux kernel, the following vulnerability has been resolved: netdevsim: use cond_resched() in nsim_dev_trap_report_work() CVE-2024-50154: In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink(). CVE-2024-50153: In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix null-ptr-deref in target_alloc_device() CVE-2024-50151: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOBs when building SMB2_IOCTL request CVE-2024-50150: In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmode should keep reference to parent CVE-2024-50147: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix command bitmask initialization CVE-2024-50143: In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad CVE-2024-50142: In the Linux kernel, the following vulnerability has been resolved: xfrm: validate new SA's prefixlen using SA family when sel.family is unset CVE-2024-50141: In the Linux kernel, the following vulnerability has been resolved: ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context CVE-2024-50138: In the Linux kernel, the following vulnerability has been resolved: bpf: Use raw_spinlock_t in ringbuf CVE-2024-50136: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Unregister notifier on eswitch init failure CVE-2024-50131: In the Linux kernel, the following vulnerability has been resolved: tracing: Consider the NULL character when validating the event length CVE-2024-50128: In the Linux kernel, the following vulnerability has been resolved: net: wwan: fix global oob in wwan_rtnl_policy CVE-2024-50127: In the Linux kernel, the following vulnerability has been resolved: net: sched: fix use-after-free in taprio_change() CVE-2024-50115: In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory CVE-2024-50110: In the Linux kernel, the following vulnerability has been resolved: xfrm: fix one more kernel-infoleak in algo dumping CVE-2024-50101: In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices CVE-2024-50099: In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Remove broken LDR (literal) uprobe support CVE-2024-50095: In the Linux kernel, the following vulnerability has been resolved: RDMA/mad: Improve handling of timed out WRs of mad agent CVE-2024-50088: In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free in add_inode_ref() CVE-2024-50087: In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free on read_alloc_one_name() error CVE-2024-50085: In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix UaF read in mptcp_pm_nl_rm_addr_or_subflow CVE-2024-50083: In the Linux kernel, the following vulnerability has been resolved: tcp: fix mptcp DSS corruption due to large pmtu xmit CVE-2024-50082: In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race CVE-2024-50060: In the Linux kernel, the following vulnerability has been resolved: io_uring: check if we need to reschedule during overflow flush CVE-2024-50058: In the Linux kernel, the following vulnerability has been resolved: serial: protect uart_port_dtr_rts() in uart_shutdown() too CVE-2024-50048: In the Linux kernel, the following vulnerability has been resolved: fbcon: Fix a NULL pointer dereference issue in fbcon_putcs CVE-2024-50046: In the Linux kernel, the following vulnerability has been resolved: NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies() CVE-2024-50045: In the Linux kernel, the following vulnerability has been resolved: netfilter: br_netfilter: fix panic with metadata_ds
Fixed packages 21
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | bpftool | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | bpftool-debuginfo | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-debuginfo | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-debuginfo-common-aarch64 | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-debuginfo-common-x86_64 | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-devel | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-headers | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-libbpf | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-libbpf-devel | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-libbpf-static | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-livepatch-6.1.115-126.197 | 0:1.0-0.amzn2023 |
| Amazon Linux · 2023 | kernel-modules-extra | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-modules-extra-common | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-tools | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-tools-debuginfo | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | kernel-tools-devel | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | perf | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | perf-debuginfo | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | python3-perf | 0:6.1.115-126.197.amzn2023 |
| Amazon Linux · 2023 | python3-perf-debuginfo | 0:6.1.115-126.197.amzn2023 |
Vulnerabilities 111
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Critical 9.8
selinux,smack: don't bypass permissions check in inode_setsecctx hook
In the Linux kernel, the following vulnerability has been resolved: selinux,smack: don't bypass permissions check in inode_setsecctx hook Marek Gresko reports that the root user on an NFS client is able to change the security labels on files on an NFS filesys…
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Critical 9.8
nbd: fix race between timeout and normal completion
In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbd_requeue_cmd(), normal completion has to be stopped for avoiding to complete this requeued request, ot…
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Critical 9.8
NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
In the Linux kernel, the following vulnerability has been resolved: NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies() On the node of an NFS client, some files saved in the mountpoint of the NFS server were copied to another location of the sa…
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Critical 9.8
mptcp: pm: fix UaF read in mptcp_pm_nl_rm_addr_or_subflow
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix UaF read in mptcp_pm_nl_rm_addr_or_subflow Syzkaller reported this splat: ================================================================== BUG: KASAN: slab-use-after-free in …
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Critical 9.8
tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().
In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink(). Martin KaFai Lau reported use-after-free [0] in reqsk_timer_handler(). """ We are seeing a use-after-free from a bpf prog attached…
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Critical 9.8
bpf: devmap: provide rxq after redirect
In the Linux kernel, the following vulnerability has been resolved: bpf: devmap: provide rxq after redirect rxq contains a pointer to the device from where the redirect happened. Currently, the BPF program that was executed after a redirect via BPF_MAP_TYPE_D…
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Critical 9.4
icmp: change the order of rate limits
In the Linux kernel, the following vulnerability has been resolved: icmp: change the order of rate limits ICMP messages are ratelimited : After the blamed commits, the two rate limiters are applied in this order: 1) host wide ratelimit (icmp_global_allow()) 2…
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High 8.8
net/xen-netback: prevent UAF in xenvif_flush_hash()
In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: prevent UAF in xenvif_flush_hash() During the list_for_each_entry_rcu iteration call of xenvif_flush_hash, kfree_rcu does not exist inside the rcu read critical section, so i…
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High 8.6
scsi: sd: Fix off-by-one error in sd_read_block_characteristics()
In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix off-by-one error in sd_read_block_characteristics() Ff the device returns page 0xb1 with length 8 (happens with qemu v2.x, for example), sd_read_block_characteristics() may atte…
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High 8.4
KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory
In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory Ignore nCR3[4:0] when loading PDPTEs from memory for nested SVM, as bits 4:0 of CR3 are ignored when PAE paging is used, and thus V…
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High 8.2
mptcp: handle consistently DSS corruption
In the Linux kernel, the following vulnerability has been resolved: mptcp: handle consistently DSS corruption Bugged peer implementation can send corrupted DSS options, consistently hitting a few warning in the data path. Use DEBUG_NET assertions, to avoid th…
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High 7.8
smb: client: fix use-after-free in smb2_query_info_compound()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in smb2_query_info_compound() The following UAF was triggered when running fstests generic/072 with KASAN enabled against Windows Server 2022 and mount options…
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High 7.8
vfs: fix race between evice_inodes() and find_inode()&iput()
In the Linux kernel, the following vulnerability has been resolved: vfs: fix race between evice_inodes() and find_inode()&iput() Hi, all Recently I noticed a bug[1] in btrfs, after digged it into and I believe it'a race in vfs. Let's assume there's a inode (i…
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High 7.8
ext4: avoid OOB when system.data xattr changes underneath the filesystem
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid OOB when system.data xattr changes underneath the filesystem When looking up for an entry in an inlined directory, if e_value_offs is changed underneath the filesystem by some cha…
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High 7.8
block, bfq: fix possible UAF for bfqq->bic with merge chain
In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible UAF for bfqq->bic with merge chain 1) initial state, three tasks: Process 1 Process 2 Process 3 (BIC1) (BIC2) (BIC3) | Λ | Λ | Λ | | | | | | V | V | V | bfqq1 bfqq2 b…
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High 7.8
firmware_loader: Block path traversal
In the Linux kernel, the following vulnerability has been resolved: firmware_loader: Block path traversal Most firmware names are hardcoded strings, or are constructed from fairly constrained format strings where the dynamic parts are just some hex numbers or…
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High 7.8
btrfs: wait for fixup workers before stopping cleaner kthread during umount
In the Linux kernel, the following vulnerability has been resolved: btrfs: wait for fixup workers before stopping cleaner kthread during umount During unmount, at close_ctree(), we have the following steps in this order: 1) Park the cleaner kthread - this doe…
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High 7.8CVE-2024-49882 Public exploit
ext4: fix double brelse() the buffer of the extents path
In the Linux kernel, the following vulnerability has been resolved: ext4: fix double brelse() the buffer of the extents path In ext4_ext_try_to_merge_up(), set path[1].p_bh to NULL after it has been released, otherwise it may be released twice. An example of …
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High 7.8
ext4: aovid use-after-free in ext4_ext_insert_extent()
In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4_ext_insert_extent() As Ojaswin mentioned in Link, in ext4_ext_insert_extent(), if the path is reallocated in ext4_ext_create_new_leaf(), we'll use the stale…
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High 7.8
ext4: fix slab-use-after-free in ext4_split_extent_at()
In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-use-after-free in ext4_split_extent_at() We hit the following use-after-free: ================================================================== BUG: KASAN: slab-use-after-free…
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High 7.8
ext4: avoid use-after-free in ext4_ext_show_leaf()
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid use-after-free in ext4_ext_show_leaf() In ext4_find_extent(), path may be freed by error or be reallocated, so using a previously saved *ppath may have been freed and thus may tri…
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High 7.8
netfilter: nf_tables: prevent nf_skb_duplicated corruption
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: prevent nf_skb_duplicated corruption syzbot found that nf_dup_ipv4() or nf_dup_ipv6() could write per-cpu variable nf_skb_duplicated in an unsafe way [1]. Disabling pree…
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High 7.8
r8169: add tally counter fields added with RTL8125
In the Linux kernel, the following vulnerability has been resolved: r8169: add tally counter fields added with RTL8125 RTL8125 added fields to the tally counter, what may result in the chip dma'ing these new fields to unallocated memory. Therefore make sure t…
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High 7.8
ext4: drop ppath from ext4_ext_replay_update_ex() to avoid double-free
In the Linux kernel, the following vulnerability has been resolved: ext4: drop ppath from ext4_ext_replay_update_ex() to avoid double-free When calling ext4_force_split_extent_at() in ext4_ext_replay_update_ex(), the 'ppath' is updated but it is the 'path' th…
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High 7.8
net/mlx5: Fix error path in multi-packet WQE transmit
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix error path in multi-packet WQE transmit Remove the erroneous unmap in case no DMA mapping was established The multi-packet WQE transmit code attempts to obtain a DMA mapping for…
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High 7.8
net/sched: accept TCA_STAB only for root qdisc
In the Linux kernel, the following vulnerability has been resolved: net/sched: accept TCA_STAB only for root qdisc Most qdiscs maintain their backlog using qdisc_pkt_len(skb) on the assumption it is invariant between the enqueue() and dequeue() handlers. Unfo…
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High 7.8
blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race
In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race We're seeing crashes from rq_qos_wake_function that look like this: BUG: unable to handle page fault for address: ffffafe180…
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High 7.8
btrfs: fix uninitialized pointer free on read_alloc_one_name() error
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free on read_alloc_one_name() error The function read_alloc_one_name() does not initialize the name field of the passed fscrypt_str struct if kmalloc fails to…
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High 7.8
btrfs: fix uninitialized pointer free in add_inode_ref()
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free in add_inode_ref() The add_inode_ref() function does not initialize the "name" struct when it is declared. If any of the following calls to "read_one_ino…
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High 7.8
iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices Previously, the domain_context_clear() function incorrectly called pci_for_each_dma_alias() to set up context entries fo…
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High 7.8
net: sched: fix use-after-free in taprio_change()
In the Linux kernel, the following vulnerability has been resolved: net: sched: fix use-after-free in taprio_change() In 'taprio_change()', 'admin' pointer may become dangling due to sched switch / removal caused by 'advance_sched()', and critical section pro…
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High 7.8
net: wwan: fix global oob in wwan_rtnl_policy
In the Linux kernel, the following vulnerability has been resolved: net: wwan: fix global oob in wwan_rtnl_policy The variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to a global out-of-bounds read when parsing the netlink attributes. Exactly…
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High 7.8
ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context
In the Linux kernel, the following vulnerability has been resolved: ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context PRMT needs to find the correct type of block to translate the PA-VA mapping for EFI runtime services. The issue arises bec…
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High 7.8
udf: fix uninit-value use in udf_get_fileshortad
In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad Check for overflow when computing alen in udf_current_aext to mitigate later uninit-value use in udf_get_fileshortad KMSAN bug[1]. After apply…
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High 7.8
usb: typec: altmode should keep reference to parent
In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmode should keep reference to parent The altmode device release refers to its parent device, but without keeping a reference to it. When registering the altmode, get a referenc…
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High 7.8
smb: client: fix OOBs when building SMB2_IOCTL request
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOBs when building SMB2_IOCTL request When using encryption, either enforced by the server or when using 'seal' mount option, the client will squash all compound request buff…
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High 7.8
netdevsim: use cond_resched() in nsim_dev_trap_report_work()
In the Linux kernel, the following vulnerability has been resolved: netdevsim: use cond_resched() in nsim_dev_trap_report_work() I am still seeing many syzbot reports hinting that syzbot might fool nsim_dev_trap_report_work() with hundreds of ports [1] Lets u…
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High 7.8
net: explicitly clear the sk pointer, when pf->create fails
In the Linux kernel, the following vulnerability has been resolved: net: explicitly clear the sk pointer, when pf->create fails We have recently noticed the exact same KASAN splat as in commit 6cd4a78d962b ("net: do not leave a dangling sk pointer, when socke…
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High 7.8
maple_tree: correct tree corruption on spanning store
In the Linux kernel, the following vulnerability has been resolved: maple_tree: correct tree corruption on spanning store Patch series "maple_tree: correct tree corruption on spanning store", v3. There has been a nasty yet subtle maple tree corruption bug tha…
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High 7.5
RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency
In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency In the commit aee2424246f9 ("RDMA/iwcm: Fix a use-after-free related to destroying CM IDs"), the function flush_workqueue …
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High 7.5
padata: use integer wrap around to prevent deadlock on seq_nr overflow
In the Linux kernel, the following vulnerability has been resolved: padata: use integer wrap around to prevent deadlock on seq_nr overflow When submitting more than 2^32 padata objects to padata_do_serial, the current sorting implementation incorrectly sorts …
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High 7.5
nfsd: map the EBADMSG to nfserr_io to avoid warning
In the Linux kernel, the following vulnerability has been resolved: nfsd: map the EBADMSG to nfserr_io to avoid warning Ext4 will throw -EBADMSG through ext4_readdir when a checksum error occurs, resulting in the following WARNING. Fix it by mapping EBADMSG t…
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High 7.5
gso: fix udp gso fraglist segmentation after pull from frag_list
In the Linux kernel, the following vulnerability has been resolved: gso: fix udp gso fraglist segmentation after pull from frag_list Detect gso fraglist skbs with corrupted geometry (see below) and pass these to skb_segment instead of skb_segment_list, as the…
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High 7.5
netfilter: br_netfilter: fix panic with metadata_dst skb
In the Linux kernel, the following vulnerability has been resolved: netfilter: br_netfilter: fix panic with metadata_dst skb Fix a kernel panic in the br_netfilter module when sending untagged traffic via a VxLAN device. This happens during the check for frag…
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High 7.5
RDMA/mad: Improve handling of timed out WRs of mad agent
In the Linux kernel, the following vulnerability has been resolved: RDMA/mad: Improve handling of timed out WRs of mad agent Current timeout handler of mad agent acquires/releases mad_agent_priv lock for every timed out WRs. This causes heavy locking contenti…
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High 7.3
ACPI: sysfs: validate return type of _STR method
In the Linux kernel, the following vulnerability has been resolved: ACPI: sysfs: validate return type of _STR method Only buffer objects are valid return values of _STR. If something else is returned description_show() will access invalid memory.
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High 7.3
net: Fix an unsafe loop on the list
In the Linux kernel, the following vulnerability has been resolved: net: Fix an unsafe loop on the list The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access of bad area, sig: 11 [#1] ... NIP […
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High 7.3
arm64: probes: Remove broken LDR (literal) uprobe support
In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Remove broken LDR (literal) uprobe support The simulate_ldr_literal() and simulate_ldrsw_literal() functions are unsafe to use for uprobes. Both functions were originally writt…
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High 7.3
tracing: Consider the NULL character when validating the event length
In the Linux kernel, the following vulnerability has been resolved: tracing: Consider the NULL character when validating the event length strlen() returns a string length excluding the null byte. If the string length equals to the maximum buffer length, the b…
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High 7.1
ntfs3 in the Linux kernel through 6.8.0 allows a physically proximate attacker to read kernel memory by mounting a file…
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High 7.1
Bluetooth: hci_sock: Fix not validating setsockopt user input
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sock: Fix not validating setsockopt user input Check user input length before copying data.
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High 7.1
secretmem: disable memfd_secret() if arch cannot set direct map
In the Linux kernel, the following vulnerability has been resolved: secretmem: disable memfd_secret() if arch cannot set direct map Return -ENOSYS from memfd_secret() syscall if !can_set_direct_map(). This is the case for example on some arm64 configurations,…
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High 7.1
posix-clock: Fix missing timespec64 check in pc_clock_settime()
In the Linux kernel, the following vulnerability has been resolved: posix-clock: Fix missing timespec64 check in pc_clock_settime() As Andrew pointed out, it will make sense that the PTP core checked timespec64 struct's tv_sec and tv_nsec range before calling…
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Medium 5.5
xfrm: fix one more kernel-infoleak in algo dumping
In the Linux kernel, the following vulnerability has been resolved: xfrm: fix one more kernel-infoleak in algo dumping During fuzz testing, the following issue was discovered: BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30 _copy_to_iter+0x598/0x2a3…
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Medium 5.5
net/mlx5: Unregister notifier on eswitch init failure
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Unregister notifier on eswitch init failure It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort: [ 682.589148] ----------…
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Medium 5.5
xfrm: validate new SA's prefixlen using SA family when sel.family is unset
In the Linux kernel, the following vulnerability has been resolved: xfrm: validate new SA's prefixlen using SA family when sel.family is unset This expands the validation introduced in commit 07bf7908950a ("xfrm: Validate address prefix lengths in the xfrm se…
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Medium 5.5
net/mlx5: Fix command bitmask initialization
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix command bitmask initialization Command bitmask have a dedicated bit for MANAGE_PAGES command, this bit isn't Initialize during command bitmask Initialization, only during MANAGE…
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Medium 5.5
scsi: target: core: Fix null-ptr-deref in target_alloc_device()
In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix null-ptr-deref in target_alloc_device() There is a null-ptr-deref issue reported by KASAN: BUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_m…
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Medium 5.5
bpf: Make sure internal and UAPI bpf_redirect flags don't overlap
In the Linux kernel, the following vulnerability has been resolved: bpf: Make sure internal and UAPI bpf_redirect flags don't overlap The bpf_redirect_info is shared between the SKB and XDP redirect paths, and the two paths use the same numeric flag values in…
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Medium 5.5
ceph: remove the incorrect Fw reference check when dirtying pages
In the Linux kernel, the following vulnerability has been resolved: ceph: remove the incorrect Fw reference check when dirtying pages When doing the direct-io reads it will also try to mark pages dirty, but for the read path it won't hold the Fw caps and ther…
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Medium 5.5
ext4: don't set SB_RDONLY after filesystem errors
In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SB_RDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we were setting SB_RDONLY flag to stop all filesystem modifications. We knew this miss…
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Medium 5.5
arm64: probes: Fix uprobes for big-endian kernels
In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding (which is always little-endi…
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Medium 5.5
drm/radeon: Fix encoder->possible_clones
In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix encoder->possible_clones Include the encoder itself in its possible_clones bitmask. In the past nothing validated that drivers were populating possible_clones correctly, but t…
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Medium 4.7
irqchip/gic-v4: Don't allow a VMOVP on a dying VPE
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v4: Don't allow a VMOVP on a dying VPE Kunkun Jiang reported that there is a small window of opportunity for userspace to force a change of affinity for a VPE while the VPE has al…
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Unscored —
vfio/pci: fix potential memory leak in vfio_intx_enable()
In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fix potential memory leak in vfio_intx_enable() If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak.
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Unscored —
drm/shmem-helper: Fix BUG_ON() on mmap(PROT_WRITE, MAP_PRIVATE)
In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUG_ON() on mmap(PROT_WRITE, MAP_PRIVATE) Lack of check for copy-on-write (COW) mapping in drm_gem_shmem_mmap allows users to call mmap with PROT_WRITE and MAP_PRIVATE f…
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Unscored —
tcp: check skb is non-NULL in tcp_rto_delta_us()
In the Linux kernel, the following vulnerability has been resolved: tcp: check skb is non-NULL in tcp_rto_delta_us() We have some machines running stock Ubuntu 20.04.6 which is their 5.4.0-174-generic kernel that are running ceph and recently hit a null ptr d…
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Unscored —
netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put() syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1) Use skb_put_zer…
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Unscored —
nfsd: return -EINVAL when namelen is 0
In the Linux kernel, the following vulnerability has been resolved: nfsd: return -EINVAL when namelen is 0 When we have a corrupted main.sqlite in /var/lib/nfs/nfsdcld/, it may result in namelen being 0, which will cause memdup_user() to return ZERO_SIZE_PTR.…
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Unscored —
IB/core: Fix ib_cache_setup_one error flow cleanup
In the Linux kernel, the following vulnerability has been resolved: IB/core: Fix ib_cache_setup_one error flow cleanup When ib_cache_update return an error, we exit ib_cache_setup_one instantly with no proper cleanup, even though before this we had already su…
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Unscored —
block: fix potential invalid pointer dereference in blk_add_partition
In the Linux kernel, the following vulnerability has been resolved: block: fix potential invalid pointer dereference in blk_add_partition The blk_add_partition() function initially used a single if-condition (IS_ERR(part)) to check for errors when adding a pa…
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Unscored —
ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()
In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev() Blamed commit accidentally removed a check for rt->rt6i_idev being NULL, as spotted by syzbot: Oops: general protection fault,…
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Unscored —
can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().
In the Linux kernel, the following vulnerability has been resolved: can: bcm: Clear bo->bcm_proc_read after remove_proc_entry(). syzbot reported a warning in bcm_release(). [0] The blamed change fixed another warning that is triggered when connect() is issued…
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Unscored —
sock_map: Add a cond_resched() in sock_hash_free()
In the Linux kernel, the following vulnerability has been resolved: sock_map: Add a cond_resched() in sock_hash_free() Several syzbot soft lockup reports all have in common sock_hash_free() If a map with a large number of buckets is destroyed, we need to yiel…
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Unscored —
bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error
In the Linux kernel, the following vulnerability has been resolved: bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error For all non-tracing helpers which formerly had ARG_PTR_TO_{LONG,INT} as input arguments, zero the value for the case of an error a…
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Unscored —
bonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave()
In the Linux kernel, the following vulnerability has been resolved: bonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave() syzbot reported a WARNING in bond_xdp_get_xmit_slave. To reproduce this[1], one bond device (bond1) has xdpdrv, which…
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Unscored —
nfsd: call cache_put if xdr_reserve_space returns NULL
In the Linux kernel, the following vulnerability has been resolved: nfsd: call cache_put if xdr_reserve_space returns NULL If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we m…
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Unscored —
KEYS: prevent NULL pointer dereference in find_asymmetric_key()
In the Linux kernel, the following vulnerability has been resolved: KEYS: prevent NULL pointer dereference in find_asymmetric_key() In find_asymmetric_key(), if all NULLs are passed in the id_{0,1,2} arguments, the kernel will first emit WARN but then have an…
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Unscored —
bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos
In the Linux kernel, the following vulnerability has been resolved: bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos In case of malformed relocation record of kind BPF_CORE_TYPE_ID_LOCAL referencing a non-existing BTF type, function bpf_core_calc_…
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Unscored —
tpm: Clean up TPM space after command failure
In the Linux kernel, the following vulnerability has been resolved: tpm: Clean up TPM space after command failure tpm_dev_transmit prepares the TPM space before attempting command transmission. However if the command fails no rollback of this preparation is d…
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Unscored —
efistub/tpm: Use ACPI reclaim memory for event log to avoid corruption
In the Linux kernel, the following vulnerability has been resolved: efistub/tpm: Use ACPI reclaim memory for event log to avoid corruption The TPM event log table is a Linux specific construct, where the data produced by the GetEventLog() boot service is cach…
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Unscored —
btrfs: fix a NULL pointer dereference when failed to start a new trasacntion
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix a NULL pointer dereference when failed to start a new trasacntion [BUG] Syzbot reported a NULL pointer dereference with the following crash: FAULT_INJECTION: forcing a failure. sta…
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Unscored —
cachefiles: fix dentry leak in cachefiles_open_file()
In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix dentry leak in cachefiles_open_file() A dentry leak may be caused when a lookup cookie and a cull are concurrent: P1 | P2 -----------------------------------------------------…
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Unscored —
resource: fix region_intersects() vs add_memory_driver_managed()
In the Linux kernel, the following vulnerability has been resolved: resource: fix region_intersects() vs add_memory_driver_managed() On a system with CXL memory, the resource tree (/proc/iomem) related to CXL memory may look like something as follows. 4900000…
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Unscored —
ext4: update orig_path in ext4_find_extent()
In the Linux kernel, the following vulnerability has been resolved: ext4: update orig_path in ext4_find_extent() In ext4_find_extent(), if the path is not big enough, we free it and set *orig_path to NULL. But after reallocating and successfully initializing …
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Unscored —
x86/ioapic: Handle allocation failures gracefully
In the Linux kernel, the following vulnerability has been resolved: x86/ioapic: Handle allocation failures gracefully Breno observed panics when using failslab under certain conditions during runtime: can not alloc irq_pin_list (-1,0,20) Kernel panic - not sy…
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Unscored —
blk_iocost: fix more out of bound shifts
In the Linux kernel, the following vulnerability has been resolved: blk_iocost: fix more out of bound shifts Recently running UBSAN caught few out of bound shifts in the ioc_forgive_debts() function: UBSAN: shift-out-of-bounds in block/blk-iocost.c:2142:38 sh…
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Unscored —
ACPI: PAD: fix crash in exit_round_robin()
In the Linux kernel, the following vulnerability has been resolved: ACPI: PAD: fix crash in exit_round_robin() The kernel occasionally crashes in cpumask_clear_cpu(), which is called within exit_round_robin(), because when executing clear_bit(nr, addr) with n…
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Unscored —
sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
In the Linux kernel, the following vulnerability has been resolved: sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start In sctp_listen_start() invoked by sctp_inet_listen(), it should set the sk_state back to CLOSED if sctp_autobind() fai…
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Unscored —
net: add more sanity checks to qdisc_pkt_len_init()
In the Linux kernel, the following vulnerability has been resolved: net: add more sanity checks to qdisc_pkt_len_init() One path takes care of SKB_GSO_DODGY, assuming skb->len is bigger than hdr_len. virtio_net_hdr_to_skb() does not fully dissect TCP headers,…
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Unscored —
net: avoid potential underflow in qdisc_pkt_len_init() with UFO
In the Linux kernel, the following vulnerability has been resolved: net: avoid potential underflow in qdisc_pkt_len_init() with UFO After commit 7c6d2ecbda83 ("net: be more gentle about silly gso requests coming from user") virtio_net_hdr_to_skb() had sanity …
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Unscored —
static_call: Replace pointless WARN_ON() in static_call_module_notify()
In the Linux kernel, the following vulnerability has been resolved: static_call: Replace pointless WARN_ON() in static_call_module_notify() static_call_module_notify() triggers a WARN_ON(), when memory allocation fails in __static_call_add_module(). That's no…
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Unscored —
ACPI: battery: Fix possible crash when unregistering a battery hook
In the Linux kernel, the following vulnerability has been resolved: ACPI: battery: Fix possible crash when unregistering a battery hook When a battery hook returns an error when adding a new battery, then the battery hook is automatically unregistered. Howeve…
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Unscored —
ocfs2: fix null-ptr-deref when journal load failed.
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix null-ptr-deref when journal load failed. During the mounting process, if journal_reset() fails because of too short journal, then lead to jbd2_journal_load() fails with NULL j_sb_b…
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Unscored —
jbd2: stop waiting for space when jbd2_cleanup_journal_tail() returns error
In the Linux kernel, the following vulnerability has been resolved: jbd2: stop waiting for space when jbd2_cleanup_journal_tail() returns error In __jbd2_log_wait_for_space(), we might call jbd2_cleanup_journal_tail() to recover some journal space. But if an …
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Unscored —
uprobes: fix kernel info leak via "[uprobes]" vma
In the Linux kernel, the following vulnerability has been resolved: uprobes: fix kernel info leak via "[uprobes]" vma xol_add_vma() maps the uninitialized page allocated by __create_xol_area() into userspace. On some architectures (x86) this memory is readabl…
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Unscored —
net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc()
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc() In mlx5e_tir_builder_alloc() kvzalloc() may return NULL which is dereferenced on the next line in a reference to the modify field. Found…
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Unscored —
static_call: Handle module init failure correctly in static_call_del_module()
In the Linux kernel, the following vulnerability has been resolved: static_call: Handle module init failure correctly in static_call_del_module() Module insertion invokes static_call_add_module() to initialize the static calls in a module. static_call_add_mod…
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Unscored —
ext4: fix i_data_sem unlock order in ext4_ind_migrate()
In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_data_sem unlock order in ext4_ind_migrate() Fuzzing reports a possible deadlock in jbd2_log_wait_commit. This issue is triggered when an EXT4_IOC_MIGRATE ioctl is set to require s…
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Unscored —
exec: don't WARN for racy path_noexec check
In the Linux kernel, the following vulnerability has been resolved: exec: don't WARN for racy path_noexec check Both i_mode and noexec checks wrapped in WARN_ON stem from an artifact of the previous implementation. They used to legitimately check for the cond…
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Unscored —
exfat: fix memory leak in exfat_load_bitmap()
In the Linux kernel, the following vulnerability has been resolved: exfat: fix memory leak in exfat_load_bitmap() If the first directory entry in the root directory is not a bitmap directory entry, 'bh' will not be released and reassigned, which will cause a …
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Unscored —
ext4: dax: fix overflowing extents beyond inode size when partially writing
In the Linux kernel, the following vulnerability has been resolved: ext4: dax: fix overflowing extents beyond inode size when partially writing The dax_iomap_rw() does two things in each iteration: map written blocks and copy user data to blocks. If the proce…
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Unscored —
kthread: unpark only parked kthread
In the Linux kernel, the following vulnerability has been resolved: kthread: unpark only parked kthread Calling into kthread unparking unconditionally is mostly harmless when the kthread is already unparked. The wake up is then simply ignored because the targ…
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Unscored —
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: avoid NFPROTO_UNSPEC where needed syzbot managed to call xt_cluster match via ebtables: WARNING: CPU: 0 PID: 11 at net/netfilter/xt_cluster.c:72 xt_cluster_mt+0x196/0x780 …
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Unscored —
igb: Do not bring the device up after non-fatal error
In the Linux kernel, the following vulnerability has been resolved: igb: Do not bring the device up after non-fatal error Commit 004d25060c78 ("igb: Fix igb_down hung on surprise removal") changed igb_io_error_detected() to ignore non-fatal pcie errors in ord…
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Unscored —
fbcon: Fix a NULL pointer dereference issue in fbcon_putcs
In the Linux kernel, the following vulnerability has been resolved: fbcon: Fix a NULL pointer dereference issue in fbcon_putcs syzbot has found a NULL pointer dereference bug in fbcon. Here is the simplified C reproducer: struct param { uint8_t type; struct t…
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Unscored —
serial: protect uart_port_dtr_rts() in uart_shutdown() too
In the Linux kernel, the following vulnerability has been resolved: serial: protect uart_port_dtr_rts() in uart_shutdown() too Commit af224ca2df29 (serial: core: Prevent unsafe uart port access, part 3) added few uport == NULL checks. It added one to uart_shu…
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Unscored —
io_uring: check if we need to reschedule during overflow flush
In the Linux kernel, the following vulnerability has been resolved: io_uring: check if we need to reschedule during overflow flush In terms of normal application usage, this list will always be empty. And if an application does overflow a bit, it'll have a fe…
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Unscored —
tcp: fix mptcp DSS corruption due to large pmtu xmit
In the Linux kernel, the following vulnerability has been resolved: tcp: fix mptcp DSS corruption due to large pmtu xmit Syzkaller was able to trigger a DSS corruption: TCP: request_sock_subflow_v4: Possible SYN flooding on port [::]:20002. Sending cookies. -…
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Unscored —
bpf: Use raw_spinlock_t in ringbuf
In the Linux kernel, the following vulnerability has been resolved: bpf: Use raw_spinlock_t in ringbuf The function __bpf_ringbuf_reserve is invoked from a tracepoint, which disables preemption. Using spinlock_t in this context can lead to a "sleep in atomic"…
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Unscored —
mm/swapfile: skip HugeTLB pages for unuse_vma
In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: skip HugeTLB pages for unuse_vma I got a bad pud error and lost a 1GB HugeTLB when calling swapoff. The problem can be reproduced by the following steps: 1. Allocate an anonymous…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-45896.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-52751.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-35963.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-38632.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-39497.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-46695.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47678.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47679.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47682.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47684.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47685.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47692.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47693.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47696.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47701.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47705.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47706.html
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https://alas.aws.amazon.com/cve/html/CVE-2024-47707.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47709.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47710.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47728.html
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https://alas.aws.amazon.com/cve/html/CVE-2024-47734.html
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https://alas.aws.amazon.com/cve/html/CVE-2024-47737.html
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https://alas.aws.amazon.com/cve/html/CVE-2024-47739.html
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https://alas.aws.amazon.com/cve/html/CVE-2024-47742.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-47743.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-49850.html
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https://alas.aws.amazon.com/cve/html/CVE-2024-49851.html
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https://alas.aws.amazon.com/cve/html/CVE-2024-49855.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-49858.html