Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: Disable the elevator delgendisk. The elevator is only used for file system operations, which are halted during delgendisk. Disabling the elevator and freeing the scheduler tags should be moved to the end of delgendisk,...

CVE-2022-49694

The CVE-2022-49694 vulnerability affects the Linux kernel in the block I/O subsystem, where the elevator is disabled in del_gendisk. The root cause is a use-after-free risk on q->tag_set because the elevator disabling and scheduler tag freeing were performed in disk_release/blk_cleanup_queue t...