SUSE-SU-2026:21470-1 Security update for the Linux Kernel RT (Live Patch 8 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-31.1 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI...

SUSE-SU-2026:21507-1 Security update for the Linux Kernel RT (Live Patch 7 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-30.1 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI...

SUSE-SU-2026:21506-1 Security update for the Linux Kernel RT (Live Patch 6 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-28.1 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI...

SUSE-SU-2026:21469-1 Security update for the Linux Kernel RT (Live Patch 7 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-30.1 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI...

SUSE-SU-2026:1686-1 Security update for the Linux Kernel RT (Live Patch 3 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.13 fixes various security issues The following security issues were fixed: - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before...

Security update for the Linux Kernel RT (Live Patch 2 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.8 fixes various security issues The following security issues were fixed: CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. CVE-2025-39977: futex: Prevent use-after-free during requeue-...

futex: Clear stale exiting pointer in futex_lock_pi() retry path

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SUSE CVE-2026-31554

In the Linux kernel, the following vulnerability has been resolved: futex: Require sysfutexrequeue to have identical flags Nicholas reported that his LLM found it was possible to create a UaF when sysfutexrequeue is used with different flags. The initial motivation for allowing different flags wa...

SUSE CVE-2026-31555

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

CVE-2026-31555

A flaw was found in the Linux kernel. A local user could exploit a race condition within the futexlockpi retry path. This vulnerability occurs because a stale pointer to an exiting process is not cleared, leading to a kernel warning. Successful exploitation of this flaw could result in a system...

CVE-2026-31554

A flaw was found in the Linux kernel. A local attacker could exploit a use-after-free vulnerability by calling the sysfutexrequeue function with inconsistent flags. This could lead to a system crash, resulting in a denial of service, or potentially allow for privilege escalation...

DEBIAN-CVE-2026-31554

In the Linux kernel, the following vulnerability has been resolved: futex: Require sysfutexrequeue to have identical flags Nicholas reported that his LLM found it was possible to create a UaF when sysfutexrequeue is used with different flags. The initial motivation for allowing different flags wa...

CVE-2026-31554

In the Linux kernel, the following vulnerability has been resolved: futex: Require sysfutexrequeue to have identical flags Nicholas reported that his LLM found it was possible to create a UaF when sysfutexrequeue is used with different flags. The initial motivation for allowing different flags wa...

CVE-2026-31555

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

DEBIAN-CVE-2026-31555

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

CVE-2026-31554

In the Linux kernel, the following vulnerability has been resolved: futex: Require sysfutexrequeue to have identical flags Nicholas reported that his LLM found it was possible to create a UaF when sysfutexrequeue is used with different flags. The initial motivation for allowing different flags wa...

CVE-2026-31555

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

EUVD-2026-25448

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

CVE-2026-31555 futex: Clear stale exiting pointer in futex_lock_pi() retry path

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

CVE-2026-31555

CVE-2026-31555 relates to a Linux kernel futex race in futex_lock_pi() retry path where a stale pointer to an exiting task is not cleared on retry. The issue can lead to a WARN_ON_ONCE when an old exiting pointer is used after a failed retry, potentially contributing to a DoS via kernel instabili...