Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: unshare: fixed the handling of unsharefs There’s an unpleasant corner case in unshare2: when CLONENEWNS is used in the flags, and current-fs hasn’t been shared at all; in that case, copymntns passes current-fs instead of a privat...

PT-2025-53146

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the nfqnl nf hook drop function. This occurs when the ops init interface fails during net initialization, leading to an invalid...

Kernel: fs: umount denial of service

The doumount function in fs/namespace.c in the Linux kernel through 3.17 does not require the CAPSYSADMIN capability for doremountsb calls that change the root filesystem to read-only, which allows local users to cause a denial of service loss of writability by making certain unshare system calls...