CVE-2026-63969

A flaw was found in the Linux kernel's IPv6 networking subsystem. A local attacker could trigger an infinite loop within the rt6fillnode function. This occurs when a writer removes an entry from a list without proper synchronization, causing a softirq-side process to continuously loop. The...

Linux Distros Unpatched Vulnerability : CVE-2026-63969

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: fix possible infinite loop in rt6fillnode Sashiko reported this issue 1. Apply the same fix as commit f8d8ce1b515a ipv6: fix possible infinite loop in...

CVE-2026-63969

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in rt6fillnode Sashiko reported this issue 1. Apply the same fix as commit f8d8ce1b515a "ipv6: fix possible infinite loop in fib6infousesdev". Writers holding tb6lock can listdelrcu&rt-fib6sibling...

CVE-2026-63969

The CVE-2026-63969 entry describes a Linux kernel issue where a potential infinite loop in rt6_fill_node() can occur due to unsafe manipulation of fib6_siblings while holding tb6_lock. The root cause is that rt->fib6_siblings.next can point into the old ring if a walker runs concurrently with ...

Security update for the Linux Kernel (Live Patch 11 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.50 fixes various security issues The following security issues were fixed: CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. CVE-2025-39977: futex: Prevent use-after-free during...

SUSE-SU-2026:1768-1 Security update for the Linux Kernel (Live Patch 39 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.161 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during...

SUSE-SU-2026:1767-1 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-2026-23004: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist bsc1258655. - CVE-2026-23204: net/sched: clsu32: use skbheaderpointercareful...

SUSE-SU-2026:21598-1 Security update for the Linux Kernel (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-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before...

SUSE-SU-2026:21591-1 Security update for the Linux Kernel (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-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before...

SUSE-SU-2026:1733-1 Security update for the Linux Kernel (Live Patch 26 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.103 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during...

SUSE-SU-2026:1728-1 Security update for the Linux Kernel (Live Patch 16 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.73 fixes various security issues The following security issues were fixed: - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before...

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-2026-23004: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist bsc1258655. CVE-2026-23204: net/sched: clsu32: use skbheaderpointercareful...

SUSE-SU-2026:1725-1 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-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during...

SUSE-SU-2026:21529-1 Security update for the Linux Kernel RT (Live Patch 0 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.5.1 fixes various security issues The following security issues were fixed: - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before...

SUSE-SU-2026:21528-1 Security update for the Linux Kernel RT (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-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before...

SUSE-SU-2026:21505-1 Security update for the Linux Kernel (Live Patch 13 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-36.1 fixes various security issues The following security issues were fixed: - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting ...

SUSE-SU-2026:21484-1 Security update for the Linux Kernel (Live Patch 12 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-35.1 fixes various security issues The following security issues were fixed: - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting ...

SUSE-SU-2026:21487-1 Security update for the Linux Kernel (Live Patch 7 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-29.1 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI...

SUSE-SU-2026:21500-1 Security update for the Linux Kernel (Live Patch 16 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-39.1 fixes various security issues The following security issues were fixed: - CVE-2026-23004: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist bsc1258655. - CVE-2026-23204: net/sched: clsu32: use skbheaderpointercareful bsc1259126....

SUSE-SU-2026:21499-1 Security update for the Linux Kernel (Live Patch 11 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-34.1 fixes various security issues The following security issues were fixed: - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting ...