Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: The loop device’s block size should not be updated under exclusive control of the device owner. Syzbot introduced a scenario where the block size of a loop device was changed within a mounted file system. This caused a mismatch...

CVE-2025-38709 loop: Avoid updating block size under exclusive owner

In the Linux kernel, the following vulnerability has been resolved: loop: Avoid updating block size under exclusive owner Syzbot came up with a reproducer where a loop device block size is changed underneath a mounted filesystem. This causes a mismatch between the block device block size and the...