kernel: dm: fix mempool NULL pointer race when completing IO

A flaw was found in the Linux kernel's Device Mapper DM subsystem. This flaw allows a local user to cause a denial of service DoS by triggering a system crash. The issue occurs due to a race condition when an input/output I/O request completes concurrently with a table swap operation, resulting i...

UVI-2021-1002078 dm: fix mempool NULL pointer race when completing IO

dm: fix mempool NULL pointer race when completing IO This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.14 by commit...

PT-2021-30612

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15 Description A potential issue exists in the Linux Kernel, related to a mempool NULL pointer race when completing IO. The actual impact and attack plausibility have not yet been proven. Recommendations For...