UBUNTU-CVE-2026-53163

In the Linux kernel, the following vulnerability has been resolved: locking/rtmutex: Skip removewaiter when waiter is not enqueued syzbot triggered the following splat in removewaiter via FUTEXCMPREQUEUEPI: KASAN: null-ptr-deref in range 0x0000000000000a88-0x0000000000000a8f...

CVE-2026-53166

The CVE-2026-53166 entry documents a Linux kernel vulnerability in futex/requeue where a NULL pointer dereference can occur in remove_waiter() during self-deadlock. Root cause: when FUTEX_CMP_REQUEUE_PI requeues a non-top waiter that already owns the target PI futex, task_blocks_on_rt_mutex() ret...

CVE-2026-53163 locking/rtmutex: Skip remove_waiter() when waiter is not enqueued

In the Linux kernel, the following vulnerability has been resolved: locking/rtmutex: Skip removewaiter when waiter is not enqueued syzbot triggered the following splat in removewaiter via FUTEXCMPREQUEUEPI: KASAN: null-ptr-deref in range 0x0000000000000a88-0x0000000000000a8f...

ALSA-2026:27353 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service CVE-2026-31419 kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-31488 kerne...

SUSE-SU-2026:2332-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-31629: nfc: llcp: add missing return after LLCPCLOSED checks bsc1263790. - CVE-2026-43037: ip6tunnel: clear skb2-cb in ip4ip6err bsc1263995. - CVE-2026-43206:...

rtmutex: Use waiter::task instead of current in remove_waiter()

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CVE-2026-43499

A flaw was found in the Linux kernel. When the kernel's real-time mutex rtmutex component performs a specific operation called 'proxy-lock rollback' during futex requeue, it incorrectly handles task pointers. This can lead to a 'Use-After-Free' UAF vulnerability, where the system attempts to use...

CVE-2026-43499 rtmutex: Use waiter::task instead of current in remove_waiter()

In the Linux kernel, the following vulnerability has been resolved: rtmutex: Use waiter::task instead of current in removewaiter removewaiter is used by the slowlock paths, but it is also used for proxy-lock rollback in rtmutexstartproxylock when invoked from futexrequeue. In the latter case...

The vulnerability of the rtmutex component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the rtmutex component in the Linux operating system’s kernel is related to improper locking of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rtmutex: The rtmutex::waitlock function is dropped before scheduling. The rtmutexhandledeadlock function is called with the rtmutex::waitlock lock still held. In the good case, it returns with the lock held; in the deadlock case,...

SUSE CVE-2024-46829

In the Linux kernel, the following vulnerability has been resolved: rtmutex: Drop rtmutex::waitlock before scheduling rtmutexhandledeadlock is called with rtmutex::waitlock held. In the good case it returns with the lock held and in the deadlock case it emits a warning and goes into an endless...

AZL-49813 CVE-2024-46829 affecting package kernel for versions less than 5.15.167.1-1

In the Linux kernel, the following vulnerability has been resolved: rtmutex: Drop rtmutex::waitlock before scheduling rtmutexhandledeadlock is called with rtmutex::waitlock held. In the good case it returns with the lock held and in the deadlock case it emits a warning and goes into an endless...