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

In the Linux kernel, the following vulnerability has been resolved: dm snapshot: fixed the lockup issue in dmexceptiontableexit. A lockup was reported when exiting a snapshot with many exceptions. This issue has been fixed by adding “condresched” to the loop that frees the exceptions...

CVE-2026-89759

CVE-2026-89759 affects the Linux kernel's mm/kmemleak subsystem. The root cause is that kmemleak_scan() walks every task stack under a single rcu_read_lock() with no reschedule point; on hosts with a very large number of threads (amplified by KASAN/lockdep in debug builds), the loop can hog a CPU...

EUVD-2026-76671

In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: avoid soft lockup when scanning task stacks Patch series "mm/kmemleak: avoid soft lockup when scanning task", v3. kmemleakscan scans every task stack under one rcureadlock with no reschedule point, which can trip the...