Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-68461: In the Linux kernel, the following vulnerability has been resolved: device property: initialize the remaining fields of fwnode_handle in fwnode_init() CVE-2026-68092: In the Linux kernel, the following vulnerability has been resolved: time/jiffies: Register jiffies clocksource before usage CVE-2026-68090: In the Linux kernel, the following vulnerability has been resolved: debugobjects: Plug race against a concurrent OOM disable CVE-2026-68086: In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: write all dirty file folios when collapsing CVE-2026-64604: In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode CVE-2026-64603: In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion CVE-2026-64598: In the Linux kernel, the following vulnerability has been resolved: smb/client: Fix error code in smb2_aead_req_alloc() CVE-2026-64597: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_close() replay CVE-2026-64596: In the Linux kernel, the following vulnerability has been resolved: libfs: set SB_I_NOEXEC and SB_I_NODEV by default in init_pseudo() CVE-2026-64593: In the Linux kernel, the following vulnerability has been resolved: btrfs: do not trim a device which is not writeable CVE-2026-64591: In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid WARNING in sva unbind path CVE-2026-64589: In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix NULL-deref on adapter registration failure CVE-2026-64588: In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix data races on ring->ready CVE-2026-64556: In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during remove_on_exec perf_event_remove_on_exec() removes events by calling perf_event_exit_event(). For top-level events, this removes the event from the context with DETACH_EXIT only. This can leave inconsistent group state when a removed event is a group leader and the group contains siblings without remove_on_exec. If the group was active, the surviving siblings can remain active and attached to the removed leader's sibling list, but are no longer represented by a valid group leader on the PMU context active lists. A later close of the removed leader uses DETACH_GROUP and can promote the still-active siblings from this stale group state. The next schedule-in can then add an already-linked active_list entry again, corrupting the PMU context active list. With DEBUG_LIST enabled, this is caught as a list_add double-add in merge_sched_in(). Fix this by detaching group relationships when remove_on_exec removes an event. This preserves the existing task-exit and revoke behavior, while ensuring surviving siblings are ungrouped before the removed event leaves the context. CVE-2026-64514: In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate must_wait writability check on pte_present() CVE-2026-64513: In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Unconditionally recompute CR8 intercept on PPR update CVE-2026-64512: In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Suppress UBSAN warning caused by field misuse CVE-2026-64508: In the Linux kernel, the following vulnerability has been resolved: bpf: Support for hardening against JIT spraying CVE-2026-64507: In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation CVE-2026-64476: In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Latch disable_idle_d3 per device CVE-2026-64475: In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Release the VGA arbiter client on register_device() failure CVE-2026-64474: In the Linux kernel, the following vulnerability has been resolved: vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc CVE-2026-64473: In the Linux kernel, the following vulnerability has been resolved: vfio: Remove device debugfs before releasing devres CVE-2026-64465: In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix sleep in atomic context in xhci_free_streams() CVE-2026-64464: In the Linux kernel, the following vulnerability has been resolved: xhci: sideband: fix ring sg table pages leak CVE-2026-64460: In the Linux kernel, the following vulnerability has been resolved: PCI/IOV: Skip VF Resizable BAR restore on read error CVE-2026-64459: In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcp_ao_destroy_sock CVE-2026-64458: In the Linux kernel, the following vulnerability has been resolved: mm/damon/ops-common: handle extreme intervals in damon_hot_score() CVE-2026-64457: In the Linux kernel, the following vulnerability has been resolved: virtio_pci: fix vq info pointer lookup via wrong index CVE-2026-64456: In the Linux kernel, the following vulnerability has been resolved: hwrng: virtio: clamp device-reported used.len at copy_data() CVE-2026-64450: In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks CVE-2026-64448: In the Linux kernel, the following vulnerability has been resolved: smb: client: restrict implied bcc[0] exemption to responses without data area CVE-2026-64436: In the Linux kernel, the following vulnerability has been resolved: net: af_key: initialize alg_key_len for IPComp states CVE-2026-64435: In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skb_queue_len() readers on audit_queue
Fixed packages 19
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | bpftool6.18 | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | bpftool6.18-debuginfo | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel-livepatch-6.18.39-79.141 | 1:1.0-0.amzn2023 |
| Amazon Linux · 2023 | kernel6.18 | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-debuginfo | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-debuginfo-common-aarch64 | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-debuginfo-common-x86_64 | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-devel | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-headers | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-modules-extra | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-modules-extra-common | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-tools | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-tools-debuginfo | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | kernel6.18-tools-devel | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | microvm-kernel6.18 | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | perf6.18 | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | perf6.18-debuginfo | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | python3-perf6.18 | 1:6.18.39-79.141.amzn2023 |
| Amazon Linux · 2023 | python3-perf6.18-debuginfo | 1:6.18.39-79.141.amzn2023 |
Vulnerabilities 110
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Critical 9.8
bpf: Reject fragmented frames in devmap
In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdp_frame data, wh…
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Critical 9.8
smb: client: fix double-free in SMB2_flush() replay
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_flush() replay SMB2_flush() keeps its response buffer bookkeeping across replay attempts. If a replayable flush response is received and the retry then fa…
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Critical 9.8
smb: client: fix change notify replay double-free
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_notify_init() fails before the next send, clea…
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Critical 9.8
smb: client: fix double-free in SMB2_ioctl() replay
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_ioctl_init() fails before the next send, cle…
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Critical 9.8
smb: client: fix query_info() replay double-free
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_info_init() fails before the next send, c…
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Critical 9.8
smb: client: fix query directory replay double-free
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_directory_init() fails before the next…
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Critical 9.8
tcp: restore RCU grace period in tcp_ao_destroy_sock
In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcp_ao_destroy_sock Commit 51e547e8c89c ("tcp: Free TCP-AO/TCP-MD5 info/keys without RCU") removed the call_rcu() callback from tcp_ao_destroy_sock(), arguing…
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Critical 9.8
smb: client: fix double-free in SMB2_close() replay
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_close() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_close_init() fails before the next send, cle…
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Critical 9.1
tipc: fix out-of-bounds read in broadcast Gap ACK blocks
In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATE_MSG can carry a Gap ACK blocks record in its data area. tipc_get_gap_ack_blks() only verifies that the reco…
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High 8.8
iommu/vt-d: Fix race condition during PASID entry replacement
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix race condition during PASID entry replacement The Intel VT-d PASID table entry is 512 bits (64 bytes). When replacing an active PASID entry (e.g., during domain replacement), …
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High 8.8
crypto: ecc - Fix carry overflow in vli multiplication
In the Linux kernel, the following vulnerability has been resolved: crypto: ecc - Fix carry overflow in vli multiplication The carry flag calculation fails when r01.m_high is saturated (0xFFFFFFFFFFFFFFFF) and addition of lower bits overflows. The condition (…
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High 8.8
HID: multitouch: fix out-of-bounds bit access on mt_io_flags
In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix out-of-bounds bit access on mt_io_flags mt_io_flags is a single unsigned long, but mt_process_slot(), mt_release_pending_palms() and mt_release_contacts() use it as a per…
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High 8.8
smb: client: fix double-free in SMB2_open() replay
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_open() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_open_init() fails before the next send, clean…
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High 8.8
vfio/pci: Release the VGA arbiter client on register_device() failure
In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Release the VGA arbiter client on register_device() failure The re-order in the Fixes commit below displaced vfio_pci_vga_init() as the last failure point of what is now vfio_pci_co…
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High 8.8
smb/client: Fix error code in smb2_aead_req_alloc()
In the Linux kernel, the following vulnerability has been resolved: smb/client: Fix error code in smb2_aead_req_alloc() The "*num_sgs" variable is a u32 so "ERR_PTR(*num_sgs)" doesn't work. We would have to do something similar to the previous line where it's…
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High 8.2
KVM: arm64: Clear __hyp_running_vcpu when flushing the pKVM hyp vCPU
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Clear __hyp_running_vcpu when flushing the pKVM hyp vCPU flush_hyp_vcpu() copies the host vCPU context into the hyp's private vCPU on every run. ctxt_to_vcpu() expects a guest con…
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High 8.2
smb: client: harden POSIX SID length parsing
In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posix_info_sid_size() reads sid[1] to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining…
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High 8.2
audit: Fix data races of skb_queue_len() readers on audit_queue
In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skb_queue_len() readers on audit_queue Multiple readers access audit_queue.qlen via skb_queue_len() without holding the queue lock or using READ_ONCE(), while kauditd…
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High 8.2
smb: client: restrict implied bcc[0] exemption to responses without data area
In the Linux kernel, the following vulnerability has been resolved: smb: client: restrict implied bcc[0] exemption to responses without data area smb2_check_message() has a long-standing quirk that accepts a response whose calculated length is one byte larger…
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High 8.1
mm/slab: do not limit zeroing to orig_size when only red zoning is enabled
In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not limit zeroing to orig_size when only red zoning is enabled When init (zeroing) on allocation is requested, for kmalloc() we generally have to zero the full object size even if…
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High 7.8
netfilter: ipset: fix race between dump and ip_set_list resize
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix race between dump and ip_set_list resize The release path of ip_set_dump_do() and ip_set_dump_done() read inst->ip_set_list via ip_set_ref_netlink(), a plain rcu_derefer…
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High 7.8
fuse-uring: make a fuse_req on SQE commit only findable after memcpy
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: make a fuse_req on SQE commit only findable after memcpy Bad userspace might try to trick us and send commit SQEs request unique / commit-id of requests that are not even send to …
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High 7.8
fuse-uring: Avoid queue->stopped races and set/read that value under lock
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: Avoid queue->stopped races and set/read that value under lock There are several readers of queue->stopped that check the value under lock, but fuse_uring_commit_fetch() did not an…
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High 7.8
fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues fuse_uring_async_stop_queues() might run when the last reference on ring->queue_refs was already dropped. In order to avoid an…
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High 7.8
fuse: clear intr_entry in fuse_resend and fuse_remove_pending_req
In the Linux kernel, the following vulnerability has been resolved: fuse: clear intr_entry in fuse_resend and fuse_remove_pending_req When fuse_resend() moves a request from fpq->processing back to fiq->pending, it sets FR_PENDING and clears FR_SENT but does …
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High 7.8
fuse: re-lock request before returning from fuse_ref_folio()
In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before returning from fuse_ref_folio() fuse_ref_folio() unlocks the request but does not re-lock it before returning. fuse_chan_abort() can end the request and the async…
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High 7.8
i2c: core: fix adapter deregistration race
In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix adapter deregistration race Adapters can be looked up by their id using i2c_get_adapter() which takes a reference to the embedded struct device. Remove the adapter from the IDR…
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High 7.8
iommufd: Use sizeof(*hdr) instead of sizeof(hdr) in veventq read
In the Linux kernel, the following vulnerability has been resolved: iommufd: Use sizeof(*hdr) instead of sizeof(hdr) in veventq read The bound-check in iommufd_veventq_fops_read() for the normal vEVENT path uses sizeof(hdr) where the surrounding code uses siz…
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High 7.8
exfat: bound uniname advance in exfat_find_dir_entry()
In the Linux kernel, the following vulnerability has been resolved: exfat: bound uniname advance in exfat_find_dir_entry() In exfat_find_dir_entry(), each TYPE_EXTEND (file name) entry advances the output pointer by a fixed amount while the loop guard only tr…
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High 7.8
perf/aux: Fix page UAF in map_range()
In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix page UAF in map_range() map_range() reads rb->aux_pages[], rb->aux_nr_pages and rb->aux_pgoff via perf_mmap_to_page() while holding only event->mmap_mutex. Those fields are seri…
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High 7.8
udf: validate sparing table length as an entry count, not a byte count
In the Linux kernel, the following vulnerability has been resolved: udf: validate sparing table length as an entry count, not a byte count udf_load_sparable_map() accepts a sparing table when sizeof(*st) + le16_to_cpu(st->reallocationTableLen) > sb->s_blocksi…
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High 7.8
udf: validate free block extents against the partition length
In the Linux kernel, the following vulnerability has been resolved: udf: validate free block extents against the partition length udf_free_blocks() checks the logical block number and count against the partition length, but drops the extent offset from that f…
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High 7.8
bpf: Validate BTF repeated field counts before expansion
In the Linux kernel, the following vulnerability has been resolved: bpf: Validate BTF repeated field counts before expansion btf_parse_struct_metas() walks user-supplied BTF during BPF_BTF_LOAD, and btf_repeat_fields() expands repeatable fields from array ele…
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High 7.8
cpufreq: pcc: fix use-after-free and double free in _OSC evaluation
In the Linux kernel, the following vulnerability has been resolved: cpufreq: pcc: fix use-after-free and double free in _OSC evaluation pcc_cpufreq_do_osc() calls acpi_evaluate_object() twice for the two-phase _OSC negotiation. Between the two calls it freed …
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High 7.8
writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs()
In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() When a container exits, the following BUG_ON() is occasionally triggered: ========================================…
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High 7.8
smb: client: resolve SWN tcon from live registrations
In the Linux kernel, the following vulnerability has been resolved: smb: client: resolve SWN tcon from live registrations cifs_swn_notify() looks up a witness registration by id under cifs_swnreg_idr_mutex, drops the mutex, and then uses the registration's ca…
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High 7.8
mm: shrinker: fix shrinker_info teardown race with expansion
In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix shrinker_info teardown race with expansion expand_shrinker_info() iterates all visible memcgs under shrinker_mutex, including memcgs that have not finished ->css_online() ye…
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High 7.8
ipv4: igmp: remove multicast group from hash table on device destruction
In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: remove multicast group from hash table on device destruction When a device is destroyed under RTNL, ip_mc_destroy_dev() iterates through the multicast list and calls ip_ma_put() o…
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High 7.8
fs/ntfs3: validate Dirty Page Table capacity in log_replay copy_lcns
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate Dirty Page Table capacity in log_replay copy_lcns In the analysis pass of $LogFile journal replay, log_replay() copies LCNs from each action log record into an existing Dir…
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High 7.8
perf/core: Detach event groups during remove_on_exec
In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during remove_on_exec perf_event_remove_on_exec() removes events by calling perf_event_exit_event(). For top-level events, this removes the event from the conte…
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High 7.8
fuse-uring: fix data races on ring->ready
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix data races on ring->ready On weakly-ordered architectures, the store to fiq->ops can be reordered past the store to ring->ready, allowing a CPU that sees ring->ready == true v…
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High 7.8
device property: initialize the remaining fields of fwnode_handle in fwnode_init()
In the Linux kernel, the following vulnerability has been resolved: device property: initialize the remaining fields of fwnode_handle in fwnode_init() If a firmware node is allocated on the stack (for instance: temporary software node whose life-time we contr…
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High 7.7
hwrng: virtio: clamp device-reported used.len at copy_data()
In the Linux kernel, the following vulnerability has been resolved: hwrng: virtio: clamp device-reported used.len at copy_data() random_recv_done() stores the device-reported used.len directly into vi->data_avail. copy_data() then indexes vi->data[] using vi-…
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High 7.5
crypto: pcrypt - restore callback for non-parallel fallback
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - restore callback for non-parallel fallback pcrypt installs pcrypt_aead_done() on the child AEAD request before trying to submit it through padata. If padata_do_parallel() ret…
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High 7.5
sched/rt: Have RT_PUSH_IPI be default off for non PREEMPT_RT
In the Linux kernel, the following vulnerability has been resolved: sched/rt: Have RT_PUSH_IPI be default off for non PREEMPT_RT RT migration is done aggressively. When a CPU schedules out a high priority RT task for a lower priority task, it will look to see…
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High 7.5
netfilter: handle unreadable frags
In the Linux kernel, the following vulnerability has been resolved: netfilter: handle unreadable frags sashiko reports: When an skb with unreadable fragments (such as from devmem TCP, where skb_frags_readable(skb) returns false) is processed by the u32 module…
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High 7.1
fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()
In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font() When fbcon_do_set_font() fails (e.g., due to a memory allocation failure inside vc_resize() under heavy memory pressure)…
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High 7.1
KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs vendor specific operations that n…
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High 7.1
NFSv4: include MAY_WRITE in open permission mask for O_TRUNC
In the Linux kernel, the following vulnerability has been resolved: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC POSIX requires write permission to truncate a file, so an open() that specifies O_TRUNC must be authorized for write access regard…
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High 7.1
tracing: Prevent out-of-bounds read in glob matching
In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent out-of-bounds read in glob matching String event fields are not necessarily NUL-terminated, so the filter predicate functions (filter_pred_string(), filter_pred_strloc() and …
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High 7.1
isofs: bound Rock Ridge symlink components to the SL record
In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record get_symlink_chunk() and the SL handling in parse_rock_ridge_inode_internal() walk the variable-length components of a Rock Ridge "S…
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High 7.1
udf: validate VAT header length against the VAT inode size
In the Linux kernel, the following vulnerability has been resolved: udf: validate VAT header length against the VAT inode size udf_load_vat() takes the virtual partition's start offset straight from the on-disk VAT 2.0 header without checking it against the V…
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High 7.1
netfilter: ebtables: terminate table name before find_table_lock()
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: terminate table name before find_table_lock() update_counters() and compat_update_counters() forward a user-supplied 32-byte table name to find_table_lock() without NUL-t…
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High 7.1
netfilter: ebtables: module names must be null-terminated
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: module names must be null-terminated We need to explicitly check the length, else we may pass non-null terminated string to request_module().
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High 7.1
net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes
In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid `net.ipv4.tcp_reordering` values before they reach TCP socket state. The sysctl is stored as an `int` but copi…
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High 7.1
net: af_key: initialize alg_key_len for IPComp states
In the Linux kernel, the following vulnerability has been resolved: net: af_key: initialize alg_key_len for IPComp states pfkey_msg2xfrm_state() handles the IPComp (SADB_X_SATYPE_IPCOMP) case by allocating x->calg and copying only the algorithm name: x->calg …
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High 7.0
netfilter: ebtables: zero chainstack array
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero chainstack array sashiko reports: looking at ebtables table translation, could a sparse cpu_possible_mask lead to an uninitialized pointer free? If cpu_possible_mask…
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High 7.0
PCI/IOV: Skip VF Resizable BAR restore on read error
In the Linux kernel, the following vulnerability has been resolved: PCI/IOV: Skip VF Resizable BAR restore on read error sriov_restore_vf_rebar_state() uses the VF Resizable BAR Control register to decide how many VF BARs to restore (nbars) and which VF BAR e…
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Unscored —
fs/ntfs3: fix missing run load for vcn0 in attr_data_get_block_locked()
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix missing run load for vcn0 in attr_data_get_block_locked() When a compressed or sparse attribute has its clusters frame-aligned, vcn is rounded down to the frame start using cmas…
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Unscored —
xfs: fail recovery on a committed log item with no regions
In the Linux kernel, the following vulnerability has been resolved: xfs: fail recovery on a committed log item with no regions If the first op of a transaction is a bare transaction header (len == sizeof(struct xfs_trans_header)), xlog_recover_add_to_trans() …
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Unscored —
i2c: i801: fix hardware state machine corruption in error path
In the Linux kernel, the following vulnerability has been resolved: i2c: i801: fix hardware state machine corruption in error path A severe livelock and subsequent Hung Task panic were observed in the i2c-i801 driver during concurrent Fuzzing. The crash is ca…
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Unscored —
xfs: don't wrap around quota ids in dqiterate
In the Linux kernel, the following vulnerability has been resolved: xfs: don't wrap around quota ids in dqiterate LOLLM noticed that q_id is an unsigned 32-bit variable. If it happens to be set to XFS_DQ_ID_MAX due to a filesystem that actually has a dquot fo…
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Unscored —
fuse-uring: remove request-less entries from ent_w_req_queue to fix NULL deref
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: remove request-less entries from ent_w_req_queue to fix NULL deref If a copy into the userspace ring buffer fails, a request will be terminated and fuse_uring_req_end() will set e…
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Unscored —
fuse-uring: end fuse_req on io-uring cancel task work
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: end fuse_req on io-uring cancel task work When io_uring delivers task work with tw.cancel set (PF_EXITING, PF_KTHREAD fallback, or percpu_ref_is_dying on the ring context), fuse_u…
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Unscored —
fuse-uring: fix moving cancelled entry to ent_in_userspace list
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to ent_in_userspace list fuse_uring_cancel() moves entries that are available (these have no reqs attached) to the ent_in_userspace list. ent_list_reque…
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Unscored —
fuse-uring: fix EFAULT clobber in fuse_uring_commit
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix EFAULT clobber in fuse_uring_commit copy_from_user() returns the number of bytes not copied as an unsigned residual on failure (1..sizeof(struct fuse_out_header)). fuse_uring_…
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Unscored —
fuse: avoid 32-bit prune notification count wrap
In the Linux kernel, the following vulnerability has been resolved: fuse: avoid 32-bit prune notification count wrap FUSE_NOTIFY_PRUNE validates the nodeid payload length with: size - sizeof(outarg) != outarg.count * sizeof(u64) On 32-bit kernels, size_t is a…
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Unscored —
Input: touchwin - reset the packet index on every complete packet
In the Linux kernel, the following vulnerability has been resolved: Input: touchwin - reset the packet index on every complete packet tw_interrupt() accumulates each non-zero serial byte into a fixed three-byte buffer with a running index that is only reset o…
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Unscored —
KVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier In the case that kvm_translate_vncr() races with an MMU notifier the early return does not release a reference on the f…
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Unscored —
KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcpu not being onlined yet (no pse…
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Unscored —
iommufd: Set upper bounds on cache invalidation entry_num and entry_len
In the Linux kernel, the following vulnerability has been resolved: iommufd: Set upper bounds on cache invalidation entry_num and entry_len iommufd_hwpt_invalidate() takes a user-controlled entry_num and entry_len, each bounded only by U32_MAX. An entry_len b…
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Unscored —
iommufd: Set veventq_depth upper bound
In the Linux kernel, the following vulnerability has been resolved: iommufd: Set veventq_depth upper bound iommufd_veventq_alloc() accepts any !0 veventq_depth from userspace, with an upper bound at U32_MAX. This leaves a vulnerability where userspace can all…
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Unscored —
mm: do file ownership checks with the proper mount idmap
In the Linux kernel, the following vulnerability has been resolved: mm: do file ownership checks with the proper mount idmap Ever since idmapped mounts were introduced, inode ownership checks (for side-channel protection) in mincore() and madvise(MADV_PAGEOUT…
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Unscored —
mm: page_ext: add count limit to page_ext_iter_next to prevent invalid PFN access
In the Linux kernel, the following vulnerability has been resolved: mm: page_ext: add count limit to page_ext_iter_next to prevent invalid PFN access The page_ext iteration API does not validate if the PFN still belongs to a valid section while advancing the …
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Unscored —
crypto: drbg - Fix returning success on failure in CTR_DRBG
In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR_DRBG drbg_ctr_generate() sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it.
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Unscored —
crypto: chacha20poly1305 - validate poly1305 template argument
In the Linux kernel, the following vulnerability has been resolved: crypto: chacha20poly1305 - validate poly1305 template argument chachapoly_create() still accepts the compatibility poly1305 parameter in the template name, but it assumes the second template …
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Unscored —
block: skip sync_blockdev() on surprise removal in bdev_mark_dead()
In the Linux kernel, the following vulnerability has been resolved: block: skip sync_blockdev() on surprise removal in bdev_mark_dead() bdev_mark_dead()'s @surprise == true means the device is already gone. The filesystem callback fs_bdev_mark_dead() honours …
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Unscored —
usb: free iso schedules on failed submit
In the Linux kernel, the following vulnerability has been resolved: usb: free iso schedules on failed submit EHCI and FOTG210 isochronous submits build an ehci_iso_sched before linking the URB to the endpoint queue, and keep the staged schedule in urb->hcpriv…
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Unscored —
xfs: fix memory leak in xfs_dqinode_metadir_create()
In the Linux kernel, the following vulnerability has been resolved: xfs: fix memory leak in xfs_dqinode_metadir_create() If xfs_metadir_create() fails in xfs_dqinode_metadir_create(), the current code returns directly, leaking the allocated update and transac…
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Unscored —
xfs: fix exchmaps reservation limit check
In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfs_exchmaps_estimate_overhead() adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINT_MAX check still tests req->resblks…
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Unscored —
posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path
In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path In do_cpu_nanosleep(), posix_cpu_timer_create() takes a pid reference via get_pid() and stores it in timer.it.cpu.pid.…
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Unscored —
cpufreq: Fix hotplug-suspend race during reboot
In the Linux kernel, the following vulnerability has been resolved: cpufreq: Fix hotplug-suspend race during reboot During system reboot, cpufreq_suspend() is called via the kernel_restart() -> device_shutdown() path. Unlike the normal system suspend path, th…
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Unscored —
firmware_loader: fix device reference leak in firmware_upload_register()
In the Linux kernel, the following vulnerability has been resolved: firmware_loader: fix device reference leak in firmware_upload_register() firmware_upload_register() -> fw_create_instance() -> device_initialize() After fw_create_instance() succeeds, the lif…
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Unscored —
smb: client: Fix next buffer leak in receive_encrypted_standard()
In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receive_encrypted_standard() receive_encrypted_standard() allocates next_buffer before checking whether the number of compound PDUs already reached MAX_CO…
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Unscored —
mm/swap: add cond_resched() in swap_reclaim_full_clusters to prevent softlockup
In the Linux kernel, the following vulnerability has been resolved: mm/swap: add cond_resched() in swap_reclaim_full_clusters to prevent softlockup We hit a real softlockup in an internal stress test environment. The workload was LTP memory/swap stress on a l…
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Unscored —
mm: swap_cgroup: fix NULL deref in lookup_swap_cgroup_id on swapless host
In the Linux kernel, the following vulnerability has been resolved: mm: swap_cgroup: fix NULL deref in lookup_swap_cgroup_id on swapless host lookup_swap_cgroup_id() passes swap_cgroup_ctrl[type].map to __swap_cgroup_id_lookup() without checking that the type…
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Unscored —
mm/shrinker: do not hold RCU lock in shrinker_debugfs_count_show()
In the Linux kernel, the following vulnerability has been resolved: mm/shrinker: do not hold RCU lock in shrinker_debugfs_count_show() Reading the debugfs "count" file of a memcg-aware shrinker can sleep inside an RCU read-side critical section: BUG: sleeping…
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Unscored —
io_uring/io-wq: re-check IO_WQ_BIT_EXIT for each linked work item
In the Linux kernel, the following vulnerability has been resolved: io_uring/io-wq: re-check IO_WQ_BIT_EXIT for each linked work item commit 10dc95939817 ("io_uring/io-wq: check IO_WQ_BIT_EXIT inside work run loop") fixed the obvious case where io_worker_hand…
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Unscored —
io_uring/nop: fix file reference leak with IOSQE_FIXED_FILE
In the Linux kernel, the following vulnerability has been resolved: io_uring/nop: fix file reference leak with IOSQE_FIXED_FILE NOP file-acquisition support choses between a fixed (registered) file and a normal fget()'d file based on its own IORING_NOP_FIXED_…
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Unscored —
virtio_pci: fix vq info pointer lookup via wrong index
In the Linux kernel, the following vulnerability has been resolved: virtio_pci: fix vq info pointer lookup via wrong index Unbinding a virtio balloon device: echo virtio0 > /sys/bus/virtio/drivers/virtio_balloon/unbind triggers a NULL pointer dereference. The…
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Unscored —
mm/damon/ops-common: handle extreme intervals in damon_hot_score()
In the Linux kernel, the following vulnerability has been resolved: mm/damon/ops-common: handle extreme intervals in damon_hot_score() Fix three issues in damon_hot_score() that comes from wrong handling of extreme (zero or too high) monitoring intervals user…
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Unscored —
xhci: sideband: fix ring sg table pages leak
In the Linux kernel, the following vulnerability has been resolved: xhci: sideband: fix ring sg table pages leak xhci_ring_to_sgtable() allocates a temporary pages array and uses it to build the returned sg_table with sg_alloc_table_from_pages(). The error pa…
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Unscored —
usb: xhci: Fix sleep in atomic context in xhci_free_streams()
In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix sleep in atomic context in xhci_free_streams() When a USB device with active stream endpoints is disconnected, xhci_free_streams() is called from the hub_event workqueue to fre…
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Unscored —
vfio: Remove device debugfs before releasing devres
In the Linux kernel, the following vulnerability has been resolved: vfio: Remove device debugfs before releasing devres VFIO device debugfs files created with debugfs_create_devm_seqfile() store a devres allocated debugfs_devm_entry as inode private data. vfi…
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Unscored —
vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc
In the Linux kernel, the following vulnerability has been resolved: vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc vfio_mig_get_next_state() walks vfio_from_fsm_table[] one step at a time, looping to skip optional states the device do…
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Unscored —
vfio/pci: Latch disable_idle_d3 per device
In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Latch disable_idle_d3 per device When disable_idle_d3 was introduced in vfio-pci, it directly manipulated the device power state with pci_set_power_state(). There were no refcounts …
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Unscored —CVE-2026-64507 Public exploit
x86/bugs: Enable IBPB flush on BPF JIT allocation
In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip…
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Unscored —
bpf: Support for hardening against JIT spraying
In the Linux kernel, the following vulnerability has been resolved: bpf: Support for hardening against JIT spraying The BPF JIT allocator packs many small programs into larger executable allocations and reuses space within those allocations as programs are lo…
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Unscored —
ACPI: CPPC: Suppress UBSAN warning caused by field misuse
In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Suppress UBSAN warning caused by field misuse The definition of reg->access_width changes depending on the reg->space_id type. Type ACPI_ADR_SPACE_PLATFORM_COMM uses access_width …
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Unscored —
KVM: x86: Unconditionally recompute CR8 intercept on PPR update
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Unconditionally recompute CR8 intercept on PPR update The TPR_THRESHOLD field in the VMCS is used by VMX to induce VM exits when the guest's virtual TPR falls under the specified th…
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Unscored —
userfaultfd: gate must_wait writability check on pte_present()
In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate must_wait writability check on pte_present() userfaultfd_must_wait() and userfaultfd_huge_must_wait() read the PTE without taking the page table lock and then apply pte_writ…
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Unscored —
i2c: core: fix NULL-deref on adapter registration failure
In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix NULL-deref on adapter registration failure If adapter registration ever fails the release callback would trigger a NULL-pointer dereference as the completion struct has not bee…
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Unscored —
iommu/vt-d: Avoid WARNING in sva unbind path
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid WARNING in sva unbind path The Intel IOMMU driver allows SVA on devices even if they do not support PCI/PRI. Commit 39c20c4e83b9 ("iommu/vt-d: Only handle IOPF for SVA when …
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Unscored —
btrfs: do not trim a device which is not writeable
In the Linux kernel, the following vulnerability has been resolved: btrfs: do not trim a device which is not writeable [BUG] There is a bug report that btrfs/242 can randomly fail with the following NULL pointer dereference: run fstests btrfs/242 at 2026-06-0…
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Unscored —
libfs: set SB_I_NOEXEC and SB_I_NODEV by default in init_pseudo()
In the Linux kernel, the following vulnerability has been resolved: libfs: set SB_I_NOEXEC and SB_I_NODEV by default in init_pseudo() Since commit 1e7ab6f67824 ("anon_inode: rework assertions"), path_noexec() warns when an anonymous-inode file is mmap'd from …
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Unscored —
platform/x86: intel-hid: Protect ACPI notify handler against recursion
In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda16290 ("ACPI: OSL: Allow Notify () handlers to run on all CPUs") ACPI notify handlers like the intel…
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Unscored —
KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode
In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8 intercepts, get vmcs12 if and only if the vCPU is in guest mode so that a future change can have u…
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Unscored —
mm/khugepaged: write all dirty file folios when collapsing
In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: write all dirty file folios when collapsing [There is no upstream commit, as this code was removed by upstream commit 044925f9b565 ("mm: fs: remove filemap_nr_thps*() functions…
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Unscored —
debugobjects: Plug race against a concurrent OOM disable
In the Linux kernel, the following vulnerability has been resolved: debugobjects: Plug race against a concurrent OOM disable syzbot reported a puzzling splat: WARNING: kernel/time/hrtimer.c:443 at stub_timer+0xa/0x20 stub_timer() is installed as timer callbac…
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Unscored —
time/jiffies: Register jiffies clocksource before usage
In the Linux kernel, the following vulnerability has been resolved: time/jiffies: Register jiffies clocksource before usage Teddy reported that a XEN HVM has a long boot delay, which was bisected to the recent enhancements to the negative motion detection. It…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-45945.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-53027.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-53402.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64187.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64189.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64205.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64256.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64258.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64259.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64260.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64261.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64262.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64263.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64264.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64265.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64266.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64267.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64271.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64279.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64282.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64284.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64286.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64288.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64289.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64291.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64293.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64294.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64295.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64296.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-64298.html