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High 8.2
netfilter: br_netfilter: skip conntrack input hook for promisc packets
In the Linux kernel, the following vulnerability has been resolved: netfilter: br_netfilter: skip conntrack input hook for promisc packets For historical reasons, when bridge device is in promisc mode, packets that are directed to the taps follow bridge input…
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High 7.8
netfilter: nft_set_pipapo: walk over current view on netlink dump
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it …
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High 7.1
netfilter: flowtable: validate pppoe header
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: validate pppoe header Ensure there is sufficient room to access the protocol field of the PPPoe header. Validate it once before the flowtable lookup, then use a helper f…
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High 7.8
netfilter: nf_tables: restore set elements when delete set fails
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: restore set elements when delete set fails From abort path, nft_mapelem_activate() needs to restore refcounters to the original state. Currently, it uses the set->ops->w…
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High 7.8
userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE
In the Linux kernel, the following vulnerability has been resolved: userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE Commit d7a08838ab74 ("mm: userfaultfd: fix unexpected change to src_folio when UFFDIO_MOVE fails") moved the src_foli…
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High 7.8
interconnect: Don't access req_list while it's being manipulated
In the Linux kernel, the following vulnerability has been resolved: interconnect: Don't access req_list while it's being manipulated The icc_lock mutex was split into separate icc_lock and icc_bw_lock mutexes in [1] to avoid lockdep splats. However, this didn…
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High 7.8
usb: gadget: f_ncm: Fix UAF ncm object at re-bind after usb ep transport error
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_ncm: Fix UAF ncm object at re-bind after usb ep transport error When ncm function is working and then stop usb0 interface for link down, eth_stop() is called. At this piont, ac…
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High 7.8
speakup: Avoid crash on very long word
In the Linux kernel, the following vulnerability has been resolved: speakup: Avoid crash on very long word In case a console is set up really large and contains a really long word (> 256 characters), we have to stop before the length of the word buffer.
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High 7.3
KVM: x86/pmu: Disable support for adaptive PEBS
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/pmu: Disable support for adaptive PEBS Drop support for virtualizing adaptive PEBS, as KVM's implementation is architecturally broken without an obvious/easy path forward, and becaus…
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High 8.8
KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status Check kvm_mmu_page_ad_need_write_protect() when deciding whether to write-protect or clear D-bits on TDP MMU SPTEs, …
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High 7.8
bootconfig: use memblock_free_late to free xbc memory to buddy
In the Linux kernel, the following vulnerability has been resolved: bootconfig: use memblock_free_late to free xbc memory to buddy On the time to free xbc memory in xbc_exit(), memblock may has handed over memory to buddy allocator. So it doesn't make sense t…
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High 8.2
ksmbd: fix slab-out-of-bounds in smb2_allocate_rsp_buf
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in smb2_allocate_rsp_buf If ->ProtocolId is SMB2_TRANSFORM_PROTO_NUM, smb2 request size validation could be skipped. if request size is smaller than sizeof(struc…
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High 8.2
ksmbd: validate request buffer size in smb2_allocate_rsp_buf()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate request buffer size in smb2_allocate_rsp_buf() The response buffer should be allocated in smb2_allocate_rsp_buf before validating request. But the fields in payload as well as…
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High 7.8
KVM: Always flush async #PF workqueue when vCPU is being destroyed
In the Linux kernel, the following vulnerability has been resolved: KVM: Always flush async #PF workqueue when vCPU is being destroyed Always flush the per-vCPU async #PF workqueue when a vCPU is clearing its completion queue, e.g. when a VM and all its vCPUs…
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High 7.8
crypto: qat - resolve race condition during AER recovery
In the Linux kernel, the following vulnerability has been resolved: crypto: qat - resolve race condition during AER recovery During the PCI AER system's error recovery process, the kernel driver may encounter a race condition with freeing the reset_data struc…
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High 7.3
clk: qcom: gcc-ipq5018: fix terminating of frequency table arrays
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: gcc-ipq5018: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such entry to the end of the arrays where…
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High 7.3
clk: qcom: gcc-ipq8074: fix terminating of frequency table arrays
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: gcc-ipq8074: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such entry to the end of the arrays where…
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High 7.3
clk: qcom: gcc-ipq9574: fix terminating of frequency table arrays
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: gcc-ipq9574: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such entry to the end of the arrays where…
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High 7.3
clk: qcom: camcc-sc8280xp: fix terminating of frequency table arrays
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: camcc-sc8280xp: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such entry to the end of the arrays wh…
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High 7.8
clk: qcom: mmcc-apq8084: fix terminating of frequency table arrays
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: mmcc-apq8084: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such entry to the end of the arrays wher…
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High 7.3
clk: qcom: mmcc-msm8974: fix terminating of frequency table arrays
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: mmcc-msm8974: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such entry to the end of the arrays wher…
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High 7.0
mac802154: fix llsec key resources release in mac802154_llsec_key_del
In the Linux kernel, the following vulnerability has been resolved: mac802154: fix llsec key resources release in mac802154_llsec_key_del mac802154_llsec_key_del() can free resources of a key directly without following the RCU rules for waiting before the end…
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High 7.0
mm: swap: fix race between free_swap_and_cache() and swapoff()
In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between free_swap_and_cache() and swapoff() There was previously a theoretical window where swapoff() could run and teardown a swap_info_struct while a call to free_swap_an…
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High 7.8
nfs: fix UAF in direct writes
In the Linux kernel, the following vulnerability has been resolved: nfs: fix UAF in direct writes In production we have been hitting the following warning consistently ------------[ cut here ]------------ refcount_t: underflow; use-after-free. WARNING: CPU: 1…
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High 7.8
s390/zcrypt: fix reference counting on zcrypt card objects
In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: fix reference counting on zcrypt card objects Tests with hot-plugging crytpo cards on KVM guests with debug kernel build revealed an use after free for the load field of the stru…
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High 8.1
ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16() If ->NameOffset of smb2_create_req is smaller than Buffer offset of smb2_create_req, slab-out-of-bounds read can happen from smb2_ope…
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High 8.3
ksmbd: fix potencial out-of-bounds when buffer offset is invalid
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potencial out-of-bounds when buffer offset is invalid I found potencial out-of-bounds when buffer offset fields of a few requests is invalid. This patch set the minimum value of bu…
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High 7.8
wireguard: netlink: check for dangling peer via is_dead instead of empty list
In the Linux kernel, the following vulnerability has been resolved: wireguard: netlink: check for dangling peer via is_dead instead of empty list If all peers are removed via wg_peer_remove_all(), rather than setting peer_list to empty, the peer is added to a…
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High 7.8
wireguard: netlink: access device through ctx instead of peer
In the Linux kernel, the following vulnerability has been resolved: wireguard: netlink: access device through ctx instead of peer The previous commit fixed a bug that led to a NULL peer->device being dereferenced. It's actually easier and faster performance-w…
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High 8.4
crypto: iaa - Fix nr_cpus < nr_iaa case
In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix nr_cpus < nr_iaa case If nr_cpus < nr_iaa, the calculated cpus_per_iaa will be 0, which causes a divide-by-0 in rebalance_wq_table(). Make sure cpus_per_iaa is 1 in that cas…
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High 7.8
btrfs: zoned: fix use-after-free in do_zone_finish()
In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix use-after-free in do_zone_finish() Shinichiro reported the following use-after-free triggered by the device replace operation in fstests btrfs/070. BTRFS info (device nullb1…
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High 7.8
drm/i915/vma: Fix UAF on destroy against retire race
In the Linux kernel, the following vulnerability has been resolved: drm/i915/vma: Fix UAF on destroy against retire race Object debugging tools were sporadically reporting illegal attempts to free a still active i915 VMA object when parking a GT believed to b…
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High 7.8
usb: typec: tcpm: fix double-free issue in tcpm_port_unregister_pd()
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: fix double-free issue in tcpm_port_unregister_pd() When unregister pd capabilitie in tcpm, KASAN will capture below double -free issue. The root cause is the same capabiliti…
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High 8.8
scsi: qla2xxx: Fix command flush on cable pull
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix command flush on cable pull System crash due to command failed to flush back to SCSI layer. BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 0 …
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High 7.0
scsi: qla2xxx: Fix double free of the ha->vp_map pointer
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix double free of the ha->vp_map pointer Coverity scan reported potential risk of double free of the pointer ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again…
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High 7.8
drm/i915/gem: Really move i915_gem_context.link under ref protection
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Really move i915_gem_context.link under ref protection i915_perf assumes that it can use the i915_gem_context reference to protect its i915->gem.contexts.list iteration. However…
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High 7.5
mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.
In the Linux kernel, the following vulnerability has been resolved: mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context. Commit 5a836bf6b09f ("mm: slub: move flush_cpu_slab() invocations __free_slab() invocations out of IRQ context") move…
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High 8.1
firmware: arm_scmi: Harden accesses to the reset domains
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Harden accesses to the reset domains Accessing reset domains descriptors by the index upon the SCMI drivers requests through the SCMI reset operations interface can potent…
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High 7.1
netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() nf_osf_find() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be…
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High 7.7
ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header
In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an AF_PACKET socket is used to send packets through ipvlan and the default xmit function of the AF_PACKET socket is changed fr…