Unity Linux 20.1050a Security Update: kernel (UTSA-2026-007052)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007052 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: prevent kernel-infoleak syzbot found that tcfskbmoddump was copying four...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012969)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012969 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb If we're redirecting the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007585)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007585 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007242)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007242 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: use the backlog for mirred ingress The test Davide added in commit...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007241)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007241 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb If we're redirecting the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007538)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007538 advisory. In the Linux kernel, the following vulnerability has been resolved: sched: Fix yet more schedfork races Where commit 4ef0c5c6b5ba kernel/sched: Fix schedfork access ...

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

SUSE CVE-2026-31421

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave block-q NULL, causing a NULL deref when an empty clsfw filter is...

SUSE-SU-2026:1305-1 Security update for the Linux Kernel (Live Patch 76 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.290 fixes various security issues The following security issues were fixed: - CVE-2023-53794: cifs: fix session state check in reconnect to avoid use-after-free issue bsc1255235. - CVE-2025-71120: SUNRPC: svcauthgss: avoid NULL deref on...

EUVD-2026-21945

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave block-q NULL, causing a NULL deref when an empty clsfw filter is...

CVE-2026-31423 net/sched: sch_hfsc: fix divide-by-zero in rtsc_min()

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...

CVE-2026-31423

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...

CVE-2026-31421

CVE-2026-31421 – Linux kernel net/sched cls_fw NULL pointer dereference . Root cause: in fw_classify(), the old-method path uses tcf_block_q() and dereferences q->handle; for shared blocks, block->q is NULL, causing a NULL pointer dereference when a nonzero skb is classified. The fix preven...

CVE-2026-31421

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave block-q NULL, causing a NULL deref when an empty clsfw filter is...

CVE-2026-31422

CVE-2026-31422 affects the Linux kernel’s net/sched subsystem. The vulnerability occurs in flow_change() where tcf_block_q() dereferences q->handle to derive a default baseclass for shared blocks, while block->q can be NULL for shared blocks. The fix adds a check of tcf_block_shared() befor...

Security update for the Linux Kernel (Live Patch 66 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.250 fixes various security issues The following security issues were fixed: CVE-2023-53794: cifs: fix session state check in reconnect to avoid use-after-free issue bsc1255235. CVE-2025-39973: i40e: add validation for ringlen param...

SUSE-SU-2026:1297-1 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-2023-53794: cifs: fix session state check in reconnect to avoid use-after-free issue bsc1255235. - CVE-2025-39973: i40e: add validation for ringlen param...

Security update for the Linux Kernel (Live Patch 75 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.283 fixes various security issues The following security issues were fixed: CVE-2023-53794: cifs: fix session state check in reconnect to avoid use-after-free issue bsc1255235. CVE-2025-71120: SUNRPC: svcauthgss: avoid NULL deref on zer...

SUSE-SU-2026:21099-1 Security update for the Linux Kernel (Live Patch 1 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.6.1 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. -...

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...