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-...

Linux Distros Unpatched Vulnerability : CVE-2026-43035

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: sched: clsapi: fix tcchainfillnode to initialize tcminfo to zero to prevent an info-leak When building netlink messages, tcchainfillnode never initializes...

net: sched: act_csum: validate nested VLAN headers

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kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. 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 each vulnerability from t...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013025)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013025 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak Fix a KMSAN...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit CVE-2025-39766 kernel: scsi: qla2xxx: Fix improper freeing of purex item CVE-2025-68741 For more details about the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007454)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007454 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sched: clsu32: Undo tcfbindfilter if u32replacehwknode When u32replacehwknode fails, we need...

UBUNTU-CVE-2026-31422

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsflow: fix NULL pointer dereference on shared blocks flowchange calls tcfblockq and dereferences q-handle to derive a default baseclass. Shared blocks leave block-q NULL, causing a NULL deref when a flow filter witho...

SUSE-SU-2026:21218-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.26.1 fixes various security issues The following security issues were fixed: - CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc bsc1258051. - CVE-2026-23111: netfilter: nftables: fix inverted genmask check i...

SUSE-SU-2026:21217-1 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-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

SUSE SLES15 Security Update : kernel (Live Patch 47 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:1237-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1237-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.187 fixes various security issues The following security issues were fixed: ...

SUSE-SU-2026:21060-1 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-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

SUSE-SU-2026:21045-1 Security update for the Linux Kernel (Live Patch 10 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-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006745)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006745 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix NULL deref when deactivating inactive aggregate in qfqreset...

RLSA-2026:6037 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink CVE-2026-23209 kernel: net/sched: clsu32: use...

SUSE-SU-2026:1180-1 Security update for the Linux Kernel RT (Live Patch 6 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.22 fixes various security issues The following security issues were fixed: - CVE-2025-40159: xsk: Harden userspace-supplied xdpdesc validation bsc1253404. - CVE-2025-71120: SUNRPC: svcauthgss: avoid NULL deref on zero length gsstoken...

AlmaLinux 9 : kernel (ALSA-2026:6153)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:6153 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: drm/sched: Fix potential double free in...