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High 7.5
net: fix udp gso skb_segment after pull from frag_list
In the Linux kernel, the following vulnerability has been resolved: net: fix udp gso skb_segment after pull from frag_list Commit a1e40ac5b5e9 ("net: gso: fix udp gso fraglist segmentation after pull from frag_list") detected invalid geometry in frag_list skb…
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High 7.8
Bluetooth: MGMT: Protect mgmt_pending list with its own lock
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Protect mgmt_pending list with its own lock This uses a mutex to protect from concurrent access of mgmt_pending list which can cause crashes like: ===========================…
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High 7.8
Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete This reworks MGMT_OP_REMOVE_ADV_MONITOR to not use mgmt_pending_add to avoid crashes like bellow: ================================…
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High 7.8
wifi: ath12k: fix uaf in ath12k_core_init()
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix uaf in ath12k_core_init() When the execution of ath12k_core_hw_group_assign() or ath12k_core_hw_group_create() fails, the registered notifier chain is not unregistered prope…
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High 7.8
net_sched: sch_sfq: fix a potential crash on gso_skb handling
In the Linux kernel, the following vulnerability has been resolved: net_sched: sch_sfq: fix a potential crash on gso_skb handling SFQ has an assumption of always being able to queue at least one packet. However, after the blamed commit, sch->q.len can be infl…
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High 7.8
net/mdiobus: Fix potential out-of-bounds read/write access
In the Linux kernel, the following vulnerability has been resolved: net/mdiobus: Fix potential out-of-bounds read/write access When using publicly available tools like 'mdio-tools' to read/write data from/to network interface and its PHY via mdiobus, there is…
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High 7.8
net/mdiobus: Fix potential out-of-bounds clause 45 read/write access
In the Linux kernel, the following vulnerability has been resolved: net/mdiobus: Fix potential out-of-bounds clause 45 read/write access When using publicly available tools like 'mdio-tools' to read/write data from/to network interface and its PHY via C45 (cl…
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High 7.8
net_sched: red: fix a race in __red_change()
In the Linux kernel, the following vulnerability has been resolved: net_sched: red: fix a race in __red_change() Gerrard Tai reported a race condition in RED, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 [1]: lock ro…
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High 7.8
net_sched: ets: fix a race in ets_qdisc_change()
In the Linux kernel, the following vulnerability has been resolved: net_sched: ets: fix a race in ets_qdisc_change() Gerrard Tai reported a race condition in ETS, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 [1]: loc…
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High 7.8
io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo()
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() syzbot reports: BUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60 Read of size 8 at addr ffff88810de2d2c8 by ta…
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High 7.8
VMCI: fix race between vmci_host_setup_notify and vmci_ctx_unset_notify
In the Linux kernel, the following vulnerability has been resolved: VMCI: fix race between vmci_host_setup_notify and vmci_ctx_unset_notify During our test, it is found that a warning can be trigger in try_grab_folio as follow: ------------[ cut here ]-------…
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High 7.8
ring-buffer: Fix buffer locking in ring_buffer_subbuf_order_set()
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix buffer locking in ring_buffer_subbuf_order_set() Enlarge the critical section in ring_buffer_subbuf_order_set() to ensure that error handling takes place with per-buffer mute…
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High 7.8
drm/amd/display: Don't treat wb connector as physical in create_validate_stream_for_sink
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Don't treat wb connector as physical in create_validate_stream_for_sink Don't try to operate on a drm_wb_connector as an amdgpu_dm_connector. While dereferencing aconnector->…
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High 7.8
espintcp: remove encap socket caching to avoid reference leak
In the Linux kernel, the following vulnerability has been resolved: espintcp: remove encap socket caching to avoid reference leak The current scheme for caching the encap socket can lead to reference leaks when we try to delete the netns. The reference chain …
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High 7.8
dma-buf: insert memory barrier before updating num_fences
In the Linux kernel, the following vulnerability has been resolved: dma-buf: insert memory barrier before updating num_fences smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null poi…
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High 8.8
ksmbd: use list_first_entry_or_null for opinfo_get_list()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: use list_first_entry_or_null for opinfo_get_list() The list_first_entry() macro never returns NULL. If the list is empty then it returns an invalid pointer. Use list_first_entry_or_nul…
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High 7.8
drivers/rapidio/rio_cm.c: prevent possible heap overwrite
In the Linux kernel, the following vulnerability has been resolved: drivers/rapidio/rio_cm.c: prevent possible heap overwrite In riocm_cdev_ioctl(RIO_CM_CHAN_SEND) -> cm_chan_msg_send() -> riocm_ch_send() cm_chan_msg_send() checks that userspace didn't send t…
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High 7.8
net/sched: fix use-after-free in taprio_dev_notifier
In the Linux kernel, the following vulnerability has been resolved: net/sched: fix use-after-free in taprio_dev_notifier Since taprio’s taprio_dev_notifier() isn’t protected by an RCU read-side critical section, a race with advance_sched() can lead to a use-a…
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High 7.8
mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race huge_pmd_unshare() drops a reference on a page table that may have previously been shared across processes, potentially turning it into a n…
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High 7.8
mm/hugetlb: unshare page tables during VMA split, not before
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: unshare page tables during VMA split, not before Currently, __split_vma() triggers hugetlb page table unsharing through vm_ops->may_split(). This happens before the VMA lock and r…
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High 7.8
net_sched: prio: fix a race in prio_tune()
In the Linux kernel, the following vulnerability has been resolved: net_sched: prio: fix a race in prio_tune() Gerrard Tai reported a race condition in PRIO, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 [1]: lock roo…
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High 7.1
crypto: arm64/poly1305 - fix a read out-of-bound
In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neon_poly1305_blocks.constprop.0+0x1b4/0x250 [poly1305_neon] Read…
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High 7.8
KVM: x86/xen: Initialize Xen timer only once
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timer only once Add a check for existing xen timers before initializing a new one. Currently kvm_xen_init_timer() is called on every KVM_XEN_VCPU_ATTR_TYPE_TIMER,…
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High 7.8
drm/fb-helper: Fix out-of-bounds access
In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track page…
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High 7.8
bpf: Fix KASAN use-after-free Read in compute_effective_progs
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix KASAN use-after-free Read in compute_effective_progs Syzbot found a Use After Free bug in compute_effective_progs(). The reproducer creates a number of BPF links, and causes a fault …
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High 7.8
scsi: sg: Allow waiting for commands to complete on removed device
In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Allow waiting for commands to complete on removed device When a SCSI device is removed while in active use, currently sg will immediately return -ENODEV on any attempt to wait for a…
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High 7.8
netfilter: nf_tables: do not allow CHAIN_ID to refer to another table
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not allow CHAIN_ID to refer to another table When doing lookups for chains on the same batch by using its ID, a chain from a different table can be used. If a rule is…
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High 7.8
netfilter: nf_tables: do not allow SET_ID to refer to another table
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not allow SET_ID to refer to another table When doing lookups for sets on the same batch by using its ID, a set from a different table can be used. Then, when the tab…
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High 7.8
selinux: Add boundary check in put_entry()
In the Linux kernel, the following vulnerability has been resolved: selinux: Add boundary check in put_entry() Just like next_entry(), boundary check is necessary to prevent memory out-of-bound access.
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High 7.8
media: imx-jpeg: Align upwards buffer size
In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Align upwards buffer size The hardware can support any image size WxH, with arbitrary W (image width) and H (image height) dimensions. Align upwards buffer size for both enco…
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High 7.5
crypto: hisilicon/sec - don't sleep when in softirq
In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - don't sleep when in softirq When kunpeng920 encryption driver is used to deencrypt and decrypt packets during the softirq, it is not allowed to use mutex lock. The ker…
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High 7.8
bpf, x86: fix freeing of not-finalized bpf_prog_pack
In the Linux kernel, the following vulnerability has been resolved: bpf, x86: fix freeing of not-finalized bpf_prog_pack syzbot reported a few issues with bpf_prog_pack [1], [2]. This only happens with multiple subprogs. In jit_subprogs(), we first call bpf_i…
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High 7.8
bpf: fix potential 32-bit overflow when accessing ARRAY map element
In the Linux kernel, the following vulnerability has been resolved: bpf: fix potential 32-bit overflow when accessing ARRAY map element If BPF array map is bigger than 4GB, element pointer calculation can overflow because both index and elem_size are u32. Fix…
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High 8.8
wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue After successfull station association, if station queues are disabled for some reason, the related lists are not emptied. …
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High 7.8
HID: cp2112: prevent a buffer overflow in cp2112_xfer()
In the Linux kernel, the following vulnerability has been resolved: HID: cp2112: prevent a buffer overflow in cp2112_xfer() Smatch warnings: drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'data->block[1]' too small (33 vs 255) drivers/hid/hid-cp…
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High 7.8
dmaengine: sf-pdma: Add multithread support for a DMA channel
In the Linux kernel, the following vulnerability has been resolved: dmaengine: sf-pdma: Add multithread support for a DMA channel When we get a DMA channel and try to use it in multiple threads it will cause oops and hanging the system. % echo 64 > /sys/modul…
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High 7.5
RDMA/siw: Fix duplicated reported IW_CM_EVENT_CONNECT_REPLY event
In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix duplicated reported IW_CM_EVENT_CONNECT_REPLY event If siw_recv_mpa_rr returns -EAGAIN, it means that the MPA reply hasn't been received completely, and should not report IW_CM_…
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High 7.8
RDMA/irdma: Fix a window for use-after-free
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a window for use-after-free During a destroy CQ an interrupt may cause processing of a CQE after CQ resources are freed by irdma_cq_free_rsrc(). Fix this by moving the call to…
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High 7.8
HID: mcp2221: prevent a buffer overflow in mcp_smbus_write()
In the Linux kernel, the following vulnerability has been resolved: HID: mcp2221: prevent a buffer overflow in mcp_smbus_write() Smatch Warning: drivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy() '&mcp->txbuf[5]' too small (59 vs 255) drivers/h…
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High 7.0
RDMA/srpt: Fix a use-after-free
In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Fix a use-after-free Change the LIO port members inside struct srpt_port from regular members into pointers. Allocate the LIO port data structures from inside srpt_make_tport() and…