Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md: made rdevaddable usable for rcu mode Our testcase triggered a panic: BUG: kernel NULL pointer dereference, address: 00000000000000e0 … Oops: 0000 1 SMP NOPTI CPU: 2 UID: 0 PID: 85 Comm: kworker/2:1 Not tainted 6.16.0+ 94...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed the cleanup flow for mlx5eprivinit. When mlx5eprivinit fails, the cleanup flow calls mlx5eselqcleanup, which in turn calls mlx5eselqapply. This ensures that priv-statelock is held using lockdepisheld. The statelo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fixed the possibility of accessing a freed kirqfd instance. Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If this occurs, it is possible that a kirqfd created and added to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: libfs: Fix for getstasheddentry The getstasheddentry function attempts to retrieve a stashed dentry from a specified location in a optimistic manner. It needs to ensure that it holds a rcu lock before dereferencing the stashed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: fixed the lockdep issue in qdisctreereducebacklog The qdisctreereducebacklog function is called with the qdisc lock held; this issue was not addressed in the previous version. We must use qdisclookuprcu instead of...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net: fixed possible store tearing in neighperiodicwork. While reviewing a related syzbot report involving neighperiodicwork, I noticed that I forgot to add an annotation when deleting an RCU-protected item from a list. When using...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: rcu-tasks: Fixed a race condition in the schedule function and the flush work operation. When booting secondary CPUs, cpusreadlock/unlock does not keep the online cpumask stable. This temporary change in the online mask result...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a lockdep issue in in6dumpaddrs According to reports from syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: Suspicious RCU usage. 5.19.0-rc2-syzkaller 0 Not tainted...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Defer the release of the inner map when necessary When updating or deleting an inner map in the map array or map htab, the map may still be accessed by non-sleepable programs or sleepable programs. However, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the bpf code, there is a fix for a use-after-free of sk-sksocket in skpsockverdictdataready. The syzbot reported a use-after-free of the sk-sksocket of an AFUNIX socket in skpsockverdictdataready. 0 In the unixstreamsendmsg...

Linux Distros Unpatched Vulnerability : CVE-2026-43358

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because...

SUSE CVE-2026-43385

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

SUSE CVE-2026-43292

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: prevent RCU stalls in kasanreleasevmallocnode When CONFIGPAGEOWNER is enabled, freeing KASAN shadow pages during vmalloc cleanup triggers expensive stack unwinding that acquires RCU read locks. Processing a large...

mm/vmalloc: prevent RCU stalls in kasan_release_vmalloc_node

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Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol CVE-2025-38192 In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix possible invalid rdp's-nocbcbkthread pointer access CVE-2025-38704 In...

CVE-2026-43358

A flaw was found in the Linux kernel's btrfs filesystem. A missing Read-Copy Update RCU unlock in an error path within the tryreleasesubpageextentbuffer function could lead to system instability. This issue, identified by a thread-safety analyzer, may result in a denial of service condition,...

CVE-2026-43292

A flaw was found in the Linux kernel. When the CONFIGPAGEOWNER option is enabled, the kernel's memory management mm/vmalloc component can experience Read-Copy-Update RCU stalls during virtual memory allocation cleanup. This occurs because freeing Kernel Address Sanitizer KASAN shadow pages trigge...

EUVD-2026-28691

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

EUVD-2026-28664

In the Linux kernel, the following vulnerability has been resolved: btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because there is a rcureadunlock call past the loop. This has been detected by...

CVE-2026-43376

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free by using callrcu for oplockinfo ksmbd currently frees oplockinfo immediately using kfree, even though it is accessed under RCU read-side critical sections in places like opinfoget and procshowfiles. Sinc...