kernel: gfs2: Fix potential glock use-after-free on unmount

A vulnerability was found in the Linux kernel within the gfs2 component, where potential use-after-free issues could occur on unmount. When DLM lockspaces are released with remaining locks, callbacks for asynchronous lock contention may access freed objects, causing unexpected behavior...

PT-2023-34922 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.1.11 Description: The issue concerns the gfs2 component, specifically with how it handles inline inodes. It is noted that the actual impact and potential for attack have not been proven yet. Recommendations:...

PT-2022-36530 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.14.300 Description: A potential security issue exists in the gfs2 component of the Linux Kernel. The issue involves checking sb bsize shift after reading the superblock. The actual impact and attack...