SUSE-SU-2026:21888-1 Security update for the Linux Kernel (Live Patch 9 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-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. - CVE-2026-23274:...

SUSE-SU-2026:21956-1 Security update for the Linux Kernel RT (Live Patch 6 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.27.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

SUSE-SU-2026:21958-1 Security update for the Linux Kernel RT (Live Patch 3 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

Security update for the Linux Kernel (Live Patch 9 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.31 fixes various security issues The following security issues were fixed: CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. CVE-2026-23274...

SUSE-SU-2026:2172-1 Security update for the Linux Kernel (Live Patch 20 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.87 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

SUSE-SU-2026:2158-1 Security update for the Linux Kernel (Live Patch 46 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.184 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

SUSE-SU-2026:2141-1 Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.164 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

SUSE-SU-2026:2131-1 Security update for the Linux Kernel RT (Live Patch 10 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.34 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. CVE-2026-23103: ipvlan: Make the addrslock be per port bsc1257773. CVE-2026-23243: RDMA/umad: Reject negative...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. CVE-2026-23103: ipvlan: Make the addrslock be per port bsc1257773. CVE-2026-23243: RDMA/umad: Reject...

SUSE-SU-2026:1575-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. - CVE-2026-23103: ipvlan: Make the addrslock be per port bsc1257773. - CVE-2026-23243: RDMA/umad:...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. CVE-2026-23103: ipvlan: Make the addrslock be per port bsc1257773. CVE-2026-23243: RDMA/umad: Reject negative...

CVE-2026-23274

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: reject rev0 reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call modtimer on timer-timer. If the label was created first by revision 1 with XTIDLETIMERALARM...

CVE-2026-23274 netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: reject rev0 reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call modtimer on timer-timer. If the label was created first by revision 1 with XTIDLETIMERALARM...

CVE-2026-23274

CVE-2026-23274 : In the Linux kernel, a bug in netfilter xt_IDLETIMER allows rev0 rules to reuse timers labeled as ALARM if a prior timer exists. This can cause mod_timer() to run on an uninitialized timer_list, triggering debug warnings and potentially a panic when panic_on_warn=1. The fix rejec...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the xtIDLETIMER module allowing rev0 rules to reuse ALARM type timer labels. This could lead to a...