Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. 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...

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: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in...

SUSE SLES15 Security Update : kernel (Live Patch 18 for SUSE Linux Enterprise 15 SP6) (SUSE-SU-2026:1100-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1100-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.81 fixes various security issues The following security issues were fixed: -...

SUSE-SU-2026:1136-1 Security update for the Linux Kernel (Live Patch 7 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.25 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40297: net: bridge: fix use-after-free due to MST port state bypass...

Security update for the Linux Kernel (Live Patch 0 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.51 fixes various security issues The following security issues were fixed: CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds bsc1257629. CVE-2025-38488: smb: client: fix use-after-free in cryptmessa...

Security update for the Linux Kernel (Live Patch 6 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.22 fixes various security issues The following security issues were fixed: CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed...

SUSE-SU-2026:1099-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.19 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed...

SUSE-SU-2026:1096-1 Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.16 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in...

Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.16 fixes various security issues The following security issues were fixed: CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. CVE-2025-40258: mptcp: fix race condition in...

SUSE-SU-2026:1101-1 Security update for the Linux Kernel (Live Patch 1 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.3 fixes various security issues The following security issues were fixed: - CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds bsc1257629. - CVE-2025-38488: smb: client: fix use-after-free in...

PT-2026-36453

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the gso features check function, which is called from netif skb features. The issue occurs when the system reads iph-frag off to determine if mangleid features should be...

SUSE-SU-2026:1100-1 Security update for the Linux Kernel (Live Patch 18 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.81 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40297: net: bridge: fix use-after-free due to MST port state bypass...

Security update for the Linux Kernel (Live Patch 9 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.42 fixes various security issues The following security issues were fixed: CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds bsc1257629. CVE-2025-38488: smb: client: fix use-after-free in...

RLSA-2026:3964 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsour...

SUSE-SU-2026:1059-1 Security update for the Linux Kernel (Live Patch 34 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.133 fixes various security issues The following security issues were fixed: - CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit bsc1255595. - CVE-2025-21738: ata: libata-sff: ensure that we cannot...

PT-2026-36455

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where the ip6 err gen icmpv6 unreach function fails to clear the skb2-cb array. When an outer IPv4 ICMP error packet is cloned into skb2 and passed to...

PT-2026-36454

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the ip4ip6 err function where it calls icmp send using a cloned socket buffer skb containing cb data written as struct inet6 skb parm. The icmp send function passes...

SUSE-SU-2026:20842-1 Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.7.1 fixes various security issues The following security issues were fixed: - CVE-2025-40214: afunix: Initialise sccindex in unixaddedge bsc1255052. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. -...

SUSE-SU-2026:20947-1 Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.7.1 fixes various security issues The following security issues were fixed: - CVE-2025-40214: afunix: Initialise sccindex in unixaddedge bsc1255052. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. -...