Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: kcm: Race conditions occur when accessing skreceivequeue. sk-skreceivequeue is protected by the skb queue lock. However, for KCM sockets, the RX path requires mux-rxlock to be protected, not just the skb queue. Nevertheless,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Update unixsksk-oobskb under the skreceivequeue lock. Billy Jheng Bing-Jhong reported a race condition between unixgc and queueoob. unixgc attempts to garbage-collect closed inflight sockets. If the socket contains MSGOOB...

PT-2026-94443

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the fuse implementation where the fuse uring cmd function fails to refuse IORING OP URING CMD requests if the connection was not enabled due to a missing FUSE OVER IO...

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

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-102062)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102062 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/radeon: delete radeonfenceprocess in issignaled, no deadlock Delete the attempt to progress t...

EUVD-2026-55387

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: perform u64stats updates under IRQ-disabled section In netdmpackettracekfreeskbhit and netdmhwtrappacketprobe, u64statsupdatebegin / u64statsinc / u64statsupdateend were called after...

SUSE CVE-2026-52918

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize acceptq access btsockpoll walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since th...

CVE-2026-52918

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize acceptq access btsockpoll walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since th...

CVE-2026-52918

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize acceptq access btsockpoll walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since th...

CVE-2026-52918 Bluetooth: serialize accept_q access

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize acceptq access btsockpoll walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since th...

CVE-2026-52918

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize acceptq access btsockpoll walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since th...

Linux Distros Unpatched Vulnerability : CVE-2026-52918

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: serialize acceptq access btsockpoll walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: The queuelock must be held when removing blkg-qnode. When blkg is removed from q-blkglist in the blkgfreeworkfn function, the queuelock must be held. Otherwise, various bugs such as list corruption, hard lockups, etc...

SUSE CVE-2026-23311

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix invalid wait context in ctxschedin Lockdep found a bug in the event scheduling when a pinned event was failed and wakes up the threads in the ring buffer like below. It seems it should not grab a wait-queue lock...

CVE-2026-23311 perf/core: Fix invalid wait context in ctx_sched_in()

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix invalid wait context in ctxschedin Lockdep found a bug in the event scheduling when a pinned event was failed and wakes up the threads in the ring buffer like below. It seems it should not grab a wait-queue lock...

CVE-2026-23311

CVE-2026-23311 is a Linux kernel issue in perf/core: Fix of an invalid wait context in ctx_sched_in(). Lockdep reports a bug where a pinned event wakeup could grab a wait-queue lock under perf-context lock; the fix switches to using irq_work and avoids grabbing the lock in the problematic context...

CVE-2026-23311

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix invalid wait context in ctxschedin Lockdep found a bug in the event scheduling when a pinned event was failed and wakes up the threads in the ring buffer like below. It seems it should not grab a wait-queue lock...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from acquiring the wait queue lock under a performance context lock, potentially leading to an invalid...

kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

A vulnerability was found in the Linux kernel's Controller Area Network CAN protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939sockslock, activesessionlistlock, and sksessionqueuelock. This issue...

PT-2026-27676

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.15.0-next-20250530-next-20250530 1 Description The Linux kernel contains a flaw in the event scheduling within the perf/core component, specifically in the ctx sched in function. Lockdep detected a bug where an...