Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: dlmfs: Fixed error handling for userdlmdestroyLock. When userdlmdestroyLock fails, it does not clean up the flags it set before exiting. For the USERLOCKINTEARDOWN condition, if this function fails because the lock is...

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...

UBUNTU-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...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the failure to clear flags when userdlmdestroylock fails, which could lead to reuse after release...

kernel: iommufd: IOMMUFD_DESTROY should not increase the refcount

A race condition was identified in the iommufd subsystem of the Linux kernel where the IOMMUFDDESTROY command incorrectly increments an object’s reference count without holding the expected exclusive synchronization destroyrwsem. This violates the assumption that temporary reference count...

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...