Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: Rejects the reuse of ALARM timer labels in revision 0 rules. In revision 0 rules, reusing timers by label always involves calling modtimer on the uninitialized timer-timer. If the label was created first i...

SUSE-SU-2026:21972-1 Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.9.1 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-2026:2199-1 Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.78 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 21 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.92 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...

Security update for the Linux Kernel (Live Patch 49 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.197 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. -...

EUVD-2026-13610

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

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

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...

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...

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...

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: Undefined Security Weakness

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...

PT-2026-26579

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the netfilter module, specifically in the xt IDLETIMER component. The problem arises from the reuse of ALARM timer labels by IDLETIMER revision ...

EUVD-2018-5003

Malware in sbrugna...

SUSE CVE-2018-13053

The alarmtimernsleep function in kernel/time/alarmtimer.c in the Linux kernel through 4.17.3 has an integer overflow via a large relative timeout because ktimeaddsafe is not used...

kernel: Integer overflow in the alarm_timer_nsleep function

A flaw was found in the alarmtimernsleep function in kernel/time/alarmtimer.c in the Linux kernel. The ktimeaddsafe function is not used and an integer overflow can happen causing an alarm not to fire or possibly a denial-of-service if using a large relative timeout...

kernel: Integer overflow in the alarm_timer_nsleep function

A flaw was found in the alarmtimernsleep function in kernel/time/alarmtimer.c in the Linux kernel. The ktimeaddsafe function is not used and an integer overflow can happen causing an alarm not to fire or possibly a denial-of-service if using a large relative timeout...