SUSE CVE-2021-47435

In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO dmiodecpending calls endioacct first and will then dec md in-flight pending count. But if a task is swapping DM table at same time this can result in a crash due to...

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...