CVE-2026-31579

In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. This causes a hung task when another thread holds rtnlmutex - the...

SUSE SLES12 Security Update : kernel (Live Patch 73 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:1304-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1304-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.275 fixes various security issues The following security issues were fixed: -...

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...

SUSE-SU-2026:21058-1 Security update for the Linux Kernel RT (Live Patch 8 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-31.1 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-2026:21087-1 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-2026:21055-1 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-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2021-47633: ath5k: fix OOB in ath5keepromreadpcalinfo5111 bsc1237768. CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream bsc1238729...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in ctnetlinkdumptable: c if res ctgeneral; // HERE cb-args1 = unsigned longct; ... While it’s very unlikely, it’s possible that ct could be equ...

CVE-2026-22987

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: avoid dereferencing ERRPTR in tcfidrinfodestroy syzbot reported a crash in tcactinhw during netns teardown where tcfidrinfodestroy passed an ERRPTR-EBUSY value as a tcaction pointer, leading to an invalid...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21642)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21642 advisory. - In the Linux kernel, the following vulnerability has been resolved: mptcp: sysctl: sched: avoid using...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21640)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21640 advisory. - In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: cookiehmacalg: avoid using...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21864)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21864 advisory. - In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004762)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004762 advisory. An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003939)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003939 advisory. An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by...

SUSE CVE-2025-68768

In the Linux kernel, the following vulnerability has been resolved: inet: frags: flush pending skbs in fqdirpreexit We have been seeing occasional deadlocks on pernetopsrwsem since September in NIPA. The stuck task was usually modprobe often loading a driver like ipvlan, trying to take the lock a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001716)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001716 advisory. An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by...

MiracleLinux 7 : kernel-3.10.0-1160.139.1.0.1.el7.AXS7 (AXSA:2025-11327:91)

"The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-11327:91 advisory. ext4: fix possible UAF when remounting r/o a mmp-protected file system CVE-2021-47342 ext4: fix memory leak in ext4fillsuper net: defer final...

PT-2026-4487

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s networking scheduler related to traffic control and action API handling. Specifically, the issue involves a potential invalid memory dereference withi...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992785)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992785 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: double hook unregistration in netns path nftreleasehooks is called from...