CVE-2026-31423: Divide By Zero

In the Linux kernel, the following vulnerability has been resolved: net/sched: schhfsc: fix divide-by-zero in rtscmin m2sm converts a u32 slope to a u64 scaled value. For large inputs e.g. m1=4000000000, the result can reach 2^32. rtscmin stores the difference of two such u64 values in a u32...

Linux Distros Unpatched Vulnerability : CVE-2026-31422

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsflow: fix NULL pointer dereference on shared blocks flowchange calls tcfblockq and dereferences q-handle to derive a default baseclass. Shared...

RLSA-2026:6632 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel net/mlx5: Use-after-free in ECVF vports unload leads to denial of service CVE-2025-38109 kernel: Linux kernel: Local denial of service and memory leak in DAMON sysfs via setu...

PT-2026-51974

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the cls fw module where TC filters are added to a shared block and published to the datapath before their change function is called. This allows an invalid filter...

RockyLinux 10 : kernel (RLSA-2026:6632)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:6632 advisory. kernel: Linux kernel net/mlx5: Use-after-free in ECVF vports unload leads to denial of service CVE-2025-38109 kernel: Linux kernel: Local denial of...

SUSE-SU-2026:1258-1 Security update for the Linux Kernel (Live Patch 35 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.136 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-2026-23209: macvlan: fix error recovery in...

SUSE-SU-2026:21087-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-33.1 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-2026:21041-1 Security update for the Linux Kernel (Live Patch 14 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-38.1 fixes various security issues The following security issues were fixed: - CVE-2025-71120: SUNRPC: svcauthgss: avoid NULL deref on zero length gsstoken in gssreadproxyverf bsc1256780. - CVE-2026-22999: net/sched: schqfq: do not free...

CLSA-2026-1775657177 kernel: Fix of 9 CVEs

ovl: Filter invalid inodes with missing lookup function CVE-2024-56570 - ALSA: aloop: Fix racy access at PCM trigger CVE-2026-23191 - media: imon: reorganize serialization CVE-2025-39993 - usb: xhci: Fix inverted ringxrunevent check in handletxevent CVE-2025-37882 - Revert "VFS: Impose ordering...

CLSA-2026-1775655363 kernel: Fix of 9 CVEs

ovl: Filter invalid inodes with missing lookup function CVE-2024-56570 - ALSA: aloop: Fix racy access at PCM trigger CVE-2026-23191 - media: imon: reorganize serialization CVE-2025-39993 - usb: xhci: Fix inverted ringxrunevent check in handletxevent CVE-2025-37882 - Revert "VFS: Impose ordering...

ROS-20260408-73-0019

A vulnerability in the net/sched component of the Linux operating system kernel is related to an unverified return value. Exploitation of the vulnerability allows an attacker to cause a denial of service...

Oracle Linux 10 : kernel (ELSA-2026-6632)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-6632 advisory. - net/mlx5: Fix ECVF vports unload on shutdown flow CKI Backport Bot RHEL-154540 CVE-2025-38109 - mm/damon/sysfs: cleanup attrs subdirs on context dir...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006810)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006810 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: prevent kernel-infoleak syzbot found that tcfskbmoddump was copying four...

Moderate: 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

RockyLinux 8 : kernel (RLSA-2026:6037)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:6037 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink...

RockyLinux 8 : kernel-rt (RLSA-2026:6036)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:6036 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink...

CVE-2026-23449

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit Whenever a TEQL devices has a lockless Qdisc as root, qdiscreset should be called using the seqlock to avoid racing with the datapath. Failure to do so may cause crashes like the...

The vulnerability of the nl80211_parse_sched_scan() function in the net/wireless/nl80211.c module, which supports wireless communication in Linux kernels, allows a hacker to cause a service failure.

The vulnerability of the nl80211parseschedscan function in the net/wireless/nl80211.c module, which supports wireless communication in Linux kernels, is related to incorrect input validation. Exploiting this vulnerability could allow an attacker to cause service failures...

ROS-20260403-73-0025

A vulnerability in the net/sched component of the Linux kernel is related to pointer dereferencing errors. Exploitation of the vulnerability allows an attacker to cause a denial of service...

CVE-2026-23449: Double Free

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit Whenever a TEQL devices has a lockless Qdisc as root, qdiscreset should be called using the seqlock to avoid racing with the datapath. Failure to do so may cause crashes like the...