SUSE-SU-2026:22383-1 Security update for the Linux Kernel (Live Patch 0 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.5.1 fixes various security issues The following security issues were fixed: - CVE-2026-23278: netfilter: nftables: always walk all pending catchall elements bsc1260907. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay...

CVE-2026-53264

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illustrate with CPU0 running NEWTFILTER and...

EUVD-2026-39215

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illustrate with CPU0 running NEWTFILTER and...

CVE-2026-53080

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL dereference of "old" filters before change Like pointed out by Sashiko 1, since commit ed76f5edccc9 "net: sched: protect filterchain list with filterchainlock mutex" TC filters are added to a shared blo...

CVE-2026-53079

In the Linux kernel, the following vulnerability has been resolved: netsched: fix skb memory leak in deferred qdisc drops When the network stack cleans up the deferred list via qdiscrunend, it operates on the root qdisc. If the root qdisc do not implement the TCQFDEQUEUEDROPS flag the packets que...

CVE-2026-52984 net/sched: netem: fix queue limit check to include reordered packets

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: fix queue limit check to include reordered packets The queue limit check in netemenqueue uses q-tlen which only counts packets in the internal tfifo. Packets placed in sch-q by the reorder path qdiscenqueuehead...

Security update for the Linux Kernel (Live Patch 10 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.34 fixes various security issues The following security issues were fixed: CVE-2026-23278: netfilter: nftables: always walk all pending catchall elements bsc1260907. CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cac...

PT-2026-64797

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/sched component where the tcf qevent handle function fails to properly handle the TC ACT CONSUMED return value from tcf classify. This occurs when a socket...

PT-2026-61648

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the DualPI2 scheduler regarding GSO Generic Segmentation Offload backlog accounting. When DualPI2 splits a GSO skb into N segments, it propagates N additional packets ...

Linux Distros Unpatched Vulnerability : CVE-2026-46331

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: fix pedit partial COW leading to page cache corruption tcfpeditact computes the COW range for skbensurewritable once before the key loop using...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

SUSE-SU-2026:1780-1 Security update for the Linux Kernel (Live Patch 67 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.255 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-2026-23004: dst: fix races in rt6uncachedlistdel and...

SUSE-SU-2026:1767-1 Security update for the Linux Kernel (Live Patch 71 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.269 fixes various security issues The following security issues were fixed: - CVE-2026-23004: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist bsc1258655. - CVE-2026-23204: net/sched: clsu32: use skbheaderpointercareful...

Security update for the Linux Kernel (Live Patch 20 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.87 fixes various security issues The following security issues were fixed: CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange bsc1258005. CVE-2026-23004: dst: fix races in...

SUSE-SU-2026:21533-1 Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.7.1 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...

SUSE SLES15 Security Update : kernel RT (Live Patch 0 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:1684-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1684-1 advisory. This update for the SUSE Linux Enterprise kernel 6.4.0-150700.5 fixes various security issues The following security issues were fixed: -...

SUSE-SU-2026:21487-1 Security update for the Linux Kernel (Live Patch 7 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-29.1 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-2026:21473-1 Security update for the Linux Kernel RT (Live Patch 11 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-32.1 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 deleting ...

SUSE-SU-2026:21510-1 Security update for the Linux Kernel RT (Live Patch 10 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-34.1 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...