OCFS2 File System Heap Buffer Overflow DoS

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989092)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989092 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: dlmfs: fix error handling of userdlmdestroylock When userdlmdestroylock failed, it didn't...

SUSE CVE-2022-49337

In the Linux kernel, the following vulnerability has been resolved: ocfs2: dlmfs: fix error handling of userdlmdestroylock When userdlmdestroylock failed, it didn't clean up the flags it set before exit. For USERLOCKINTEARDOWN, if this function fails because of lock is still in used, next time wh...

PT-2022-31499

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.46 Description The issue concerns error handling of user dlm destroy lock in dlmfs within ocfs2. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions...

PT-2025-8271

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been identified, specifically in the ocfs2 file system. The issue arises from the user dlm destroy lock function not properly cleaning up flags wh...