Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: It is now checked whether IOWQBITEXIT is rechecked for each linked work item. The commit 10dc95939817 “iouring/io-wq: check IOWQBITEXIT inside work run loop” fixed a obvious case where ioworkerhandlework took one...

io_uring/io-wq: re-check IO_WQ_BIT_EXIT for each linked work item

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AZL-93488 CVE-2026-64425 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: re-check IOWQBITEXIT for each linked work item commit 10dc95939817 "iouring/io-wq: check IOWQBITEXIT inside work run loop" fixed the obvious case where ioworkerhandlework took one exit-bit snapshot before draining...

CVE-2026-64425: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: re-check IOWQBITEXIT for each linked work item commit 10dc95939817 "iouring/io-wq: check IOWQBITEXIT inside work run loop" fixed the obvious case where ioworkerhandlework took one exit-bit snapshot before draining...

CVE-2026-64425: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: re-check IOWQBITEXIT for each linked work item commit 10dc95939817 "iouring/io-wq: check IOWQBITEXIT inside work run loop" fixed the obvious case where ioworkerhandlework took one exit-bit snapshot before draining...

Linux Distros Unpatched Vulnerability : CVE-2026-64425

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: re-check IOWQBITEXIT for each linked work item commit 10dc95939817...

ANT-2026-PVD37V09 · torvalds/linux · Use-After-Free

use-after-free high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-PVD37V09: LPE via iouring io-wq worker pool In iouring's io-wq worker pool, cancelling a hashed bucket-0 work item whose list predecessor is...

CVE-2026-46274

In the Linux kernel, the following vulnerability has been resolved: io-wq: check that the predecessor is hashed in iowqremovepending iowqremovepending needs to fix up wq-hashtail if the cancelled work was the tail of its hash bucket. When doing this, it checks whether the preceding entry in...

CVE-2026-46274

CVE-2026-46274 (Linux kernel, io_wq) has concrete details: a bug in io_wq_remove_pending() allowed a non-hashed predecessor to be treated as hashed, causing a stale pointer in wq->hash_tail[] to persist and be dereferenced by future hashed bucket-0 enqueues. The root cause is that io_get_work_...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1959-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1959-1 advisory. The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-5451...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1907-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1907-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to fix the following issue: Security issues fixed: - CVE-2026-43284: xfrm: esp:...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to fix the following issue: Security issues fixed: CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags bsc1264449. CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present bsc1264450. CVE-2025-5451...

SUSE-SU-2026:1907-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to fix the following issue: Security issues fixed: - CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags bsc1264449. - CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present bsc1264450. -...

SUSE-SU-2026:1900-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate shared-frag marker...

SUSE-SU-2026:21673-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate...

EUVD-2026-28672

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: check if target buffer list is still legacy on recycle There's a gap between when the buffer was grabbed and when it potentially gets recycled, where if the list is empty, someone could've upgraded it to a ring...

UBUNTU-CVE-2026-43366

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: check if target buffer list is still legacy on recycle There's a gap between when the buffer was grabbed and when it potentially gets recycled, where if the list is empty, someone could've upgraded it to a ring...

CVE-2026-43366 io_uring/kbuf: check if target buffer list is still legacy on recycle

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: check if target buffer list is still legacy on recycle There's a gap between when the buffer was grabbed and when it potentially gets recycled, where if the list is empty, someone could've upgraded it to a ring...

CVE-2026-43366: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: check if target buffer list is still legacy on recycle There's a gap between when the buffer was grabbed and when it potentially gets recycled, where if the list is empty, someone could've upgraded it to a ring...

AZL-77802 CVE-2026-23113 affecting package kernel for versions less than 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: check IOWQBITEXIT inside work run loop Currently this is checked before running the pending work. Normally this is quite fine, as work items either end up blocking which will create a new worker for other items, or...