Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098818)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098818 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass Fixes qfqchangeclass error case...

Linux Distros Unpatched Vulnerability : CVE-2026-74739

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsu32: skip hash tables in u32bindclass u32walk enumerates both struct tcuhnode and struct tcuknode through the walker callback. u32bindclass...

CVE-2026-74740: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix TOCTOU NULL deref on a-gotochain tcfactionexec handles TCACTGOTOCHAIN by first checking rcuaccesspointera-gotochain and then calling tcfactiongotochainexec, which does a second, independent...

CVE-2026-74740: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix TOCTOU NULL deref on a-gotochain tcfactionexec handles TCACTGOTOCHAIN by first checking rcuaccesspointera-gotochain and then calling tcfactiongotochainexec, which does a second, independent...

CVE-2026-74739: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: skip hash tables in u32bindclass u32walk enumerates both struct tcuhnode and struct tcuknode through the walker callback. u32bindclass unconditionally casts the passed fh to tcuknode and accesses &n-res, so whe...

CVE-2026-74736: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsbpf: reject dev-bound programs bound to a different device clsbpfprogfromefd obtained a SCHEDCLS program via bpfproggettypedev but never verified that a device-bound offloaded program's bound netdev matches the TC...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-099008)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099008 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schred: Replace direct dequeue call with peek and qdiscdequeuepeeked When red qdisc ha...

SUSE SLES15: kernel-livepatch-6_4_0-150600_23_73-default / etc (SUSE-SU-2026:3704-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3704-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.73 fixes various security issues: The following security issues were fixed: -...

Linux Distros Unpatched Vulnerability : CVE-2026-74740

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actapi: fix TOCTOU NULL deref on a-gotochain tcfactionexec handles TCACTGOTOCHAIN by first checking rcuaccesspointera-gotochain and then calling...

VulnCheck KEV: CVE-2026-46331

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcfpeditact computes the COW range for skbensurewritable once before the key loop using tcfpoffmaxhint, but the hint does not account for the runtime header offset...

Security update for the Linux Kernel (Live Patch 18 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.66 fixes various security issues: The following security issues were fixed: CVE-2025-40204,CVE-2026-53224,CVE-2026-53246: sctp: validate cached peer INIT chunk length in COOKIEECHO processing bsc1253437 bsc1270023 bsc1270024...

The vulnerability of the fw_change() function in the net/sched/cls_fw.c module of the network scheduling subsystem of the Linux operating system allows a hacker to induce a service failure.

The vulnerability of the fwchange function in the net/sched/clsfw.c module of the network scheduling subsystem of the Linux operating system is related to the pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE-SU-2026:23257-1 Security update for the Linux Kernel RT (Live Patch 15 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.36.1 fixes various security issues. The following security issues were fixed: - CVE-2026-52956: libceph: Fix potential out-of-bounds access in cephxdecrypt bsc1272139. - CVE-2026-53224: sctp: validate embedded INIT chunk and address...

CVE-2026-74620

A flaw was found in the Linux kernel's net/sched subsystem, specifically within the actgact and actpolice modules. A local user could exploit this vulnerability by providing a specially crafted control action that bypasses proper range checks. This improper handling of control actions leads to an...

Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.124 fixes various security issues: The following security issues were fixed: CVE-2023-53995: net: ipv4: fix one memleak in inetdelifa bsc1269284. CVE-2025-40204,CVE-2026-53224,CVE-2026-53246: sctp: validate cached peer INIT chunk...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Do not access invalid sched. Since 2320c9e6a768 “drm/sched: memset ‘job’ in drmschedjobinit”, accessing job-base.sched can produce unexpected results, as the initialization of job-base.sched during amdgpujoballoc is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: actct: Fixed the leak in nfconnlabels on two error paths. The function tcfctfillparams calls nfconnlabelsget to set putlabels, when TCACTLABELS is present. However, two subsequent error paths use a bare return inste...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: sched: clsu32: Undo tcfbindfilter if u32replacehwknode When u32replacehwknode fails, we need to undo the tcf BindFilter operation performed at u32setparms...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netsched: Keep allochash updated after hash allocation. In commit 599be01ee567 “netsched: fix an OOB access in clstcindex”, I moved the cp-hash calculation before the first tcindexallocperfecthash call. However, cp-allochash...

SUSE CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...