UBUNTU-CVE-2026-99229

In the Linux kernel, the following vulnerability has been resolved: iouring/wait: don't spin on a stuck overflow list As long as IOCHECKCQOVERFLOWBIT is set, iocqringwaitschedule returns right away, before it gets to look at signals or arms the timeout, for iocqringwait to flush the overflow list...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always set ID as avail when rm endp Syzkaller managed to find a combination of actions that was generating this warning: WARNING: net/mptcp/pmkernel.c:1074 at marksubflowendpavailable net/mptcp/pmkernel.c:10...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. SyZBot reported a use-after-free of AFUNIX socket’s sk-sksocket in skpsockverdictdataready. 0 In unixstreamsendmsg, the peer socket’s -skdataready is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fixed a mismatch in the function prototype in sndseqexpandvarevent. With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype t...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel before version 6.4.12, amdgpucswaitallfences in drivers/gpu/drm/amd/amdgpu/amdgpucs.c contains a use-of-fence issue...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: pm: in-kernel: always marking signal+subflow endp as used Syzkaller managed to find a combination of actions that caused this warning to occur: msk-pm.localaddrused == 0 WARNING: net/mptcp/pmkernel.c:1071 at...

CVE-2026-64579

The CVE-2026-64579 entry describes a Linux kernel xfrm policy issue in xfrm_hash_rebuild: the first loop preallocates bins for the reinsert path, but the guard inversion causes inexact policy reinserts to allocate at GFP_ATOMIC during reinsert, risking LIST_POISON2 dereferences and a crash under ...

CVE-2022-4994 KVM: x86: wean fast IN from emulator_pio_in

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: wean fast IN from emulatorpioin Use emulatorpioin directly for fast PIO instead of bouncing through emulatorpioin now that emulatorpioin fills "val" when handling in-kernel PIO. vcpu-arch.pio.count is guaranteed to be...

PT-2026-66444

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM x86 module where the emulator pio in function was used as a bounce for fast PIO. The fix involves using emulator pio in directly for fast PIO, as emulator pio ...

SUSE CVE-2026-64036

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

CVE-2026-64036

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

CVE-2026-64036 cgroup/rstat: validate cpu before css_rstat_cpu() access

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

SUSE-SU-2026:2238-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-20585: x86/CPU: Fix FPDSS on Zen1 bsc1243603. - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. -...

SUSE-SU-2026:21860-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-2058: x86/CPU: Fix FPDSS on Zen1 bsc1243603. - CVE-2024-14027: xattr: switch to CLASSfd bsc1259420. - CVE-2025-40181: x86/kvm: Force legacy PCI hole to UC when...

EUVD-2026-27811

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always set ID as avail when rm endp Syzkaller managed to find a combination of actions that was generating this warning: WARNING: net/mptcp/pmkernel.c:1074 at marksubflowendpavailable net/mptcp/pmkernel.c:10...

CVE-2026-43252 mptcp: pm: in-kernel: always set ID as avail when rm endp

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always set ID as avail when rm endp Syzkaller managed to find a combination of actions that was generating this warning: WARNING: net/mptcp/pmkernel.c:1074 at marksubflowendpavailable net/mptcp/pmkernel.c:10...

CVE-2026-43252

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always set ID as avail when rm endp Syzkaller managed to find a combination of actions that was generating this warning: WARNING: net/mptcp/pmkernel.c:1074 at marksubflowendpavailable net/mptcp/pmkernel.c:10...

CVE-2026-43252

CVE-2026-43252 concerns the Linux kernel MPTCP subsystem (Multiswitch TCP). The issue arises in the in-kernel MPTCP path for removing endpoints, where code path __mark_subflow_endp_available/mptcp_pm_nl_fullmesh/mptcp_pm_nl_set_flags_all/mptcp_pm_nl_set_flags can trigger a kernel warning when a s...

CVE-2026-31718

A flaw was found in ksmbd, the in-kernel SMB3 server for Linux. This vulnerability arises from an asymmetric cleanup process when a durable file handle survives a session disconnect. Specifically, byte-range locks are not properly cleared, leading to a 'use-after-free' error when the durable...

CVE-2026-23321

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always mark signal+subflow endp as used Syzkaller managed to find a combination of actions that was generating this warning: msk-pm.localaddrused == 0 WARNING: net/mptcp/pmkernel.c:1071 at...