The vulnerability of the user_dlmdestroy_lock() function in the fs/ocfs2/dlmfs/userdlm.c module of the OCFS2 file system support in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the userdlmdestroylock function in the fs/ocfs2/dlmfs/userdlm.c module of the OCFS2 file system support in the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2025-39142

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw in the OCFS2 implementation where a recursive semaphore deadlock could occur during a fiemap call. Specifically, the issue was detected by syzbot during...