stable backport

The Linux kernel received a targeted, low‑level fix addressing a hang in the UFS (Universal Flash Storage) SCSI error handler — a bug that can cause sustained or persistent loss of availability by deadlocking kernel threads during device error recovery. The change is small and surgical at the...

The Linux kernel received a targeted fix for CVE-2025-68344 — an integer overflow in the ALSA wavefront driver's sample-size validation — that closes a corner-case bug where a 32‑bit size field was cast to a signed integer and compared in a way that could wrap and produce incorrect bounds...

The Linux kernel received a small but important patch that removes an unnecessary warning in the ARM64 MTE codepath when copy_highpage copies into a page that may already carry an MTE tag — a fix tracked as CVE-2025-40353 and already merged into the stable trees to prevent spurious WARNs during...

A recently disclosed Linux kernel defect, tracked as CVE‑2025‑40194, fixes an object lifecycle bug in the intel_pstate CPU frequency driver that could — under narrow and largely virtualized scenarios — cause a kernel crash during CPU device hot removal; vendors and the kernel stable trees have...

A subtle but important race-condition in the Linux kernel’s process‑limit handling has been recorded as CVE‑2025‑40201: upstream maintainers changed kernel/sys.c to stop taking task_lock(tsk->group_leader) from unsafe contexts and instead make conditional use of tasklist_lock to avoid...

A recent Linux kernel security fix closes CVE-2025-40244, a KMSAN-detected uninitialized-value bug in the HFS+ (hfsplus) filesystem implementation that was reported by syzbot and patched upstream; operators should treat this as a kernel-level memory-safety correction, install vendor-supplied...

A small change in the OCFS2 kernel code — setting a freed pointer to NULL — resolved a formally assigned CVE but highlights a perennial class of Linux kernel risks: double‑free memory corruption that can destabilize hosts, complicate multi‑tenant environments, and, in some cases, provide a local...