SUSE-SU-2026:21532-1 Security update for the Linux Kernel (Live Patch 1 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.6.1 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...

DEBIAN-CVE-2025-21700

In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1. create root qdisc tc qdisc add dev lo...

kernel: tcf_fill_node() infoleak due to typo in 9ef1d4c7

The tcffillnode function in net/sched/clsapi.c in the netlink subsystem in the Linux kernel 2.6.x before 2.6.32-rc5, and 2.4.37.6 and earlier, does not initialize a certain tcmpad2 structure member, which might allow local users to obtain sensitive information from kernel memory via unspecified...