kernel: ext4: fix deadlock due to mbcache entry corruption

A deadlock vulnerability was found in the ext4 filesystem in the Linux kernel. When manipulating extended attribute xattr blocks, a race condition in non-atomic bitfield updates can cause the mbcache entry state to become corrupted. This leads to an infinite loop in ext4xattrblockset where the co...

kernel: ext4: fix deadlock due to mbcache entry corruption

A deadlock vulnerability was found in the ext4 filesystem in the Linux kernel. When manipulating extended attribute xattr blocks, a race condition in non-atomic bitfield updates can cause the mbcache entry state to become corrupted. This leads to an infinite loop in ext4xattrblockset where the co...

GSD-2023-1001257 ext4: fix deadlock due to mbcache entry corruption

ext4: fix deadlock due to mbcache entry corruption This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.163 by commit...

PT-2023-33511 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions v4.6 through v6.0.17 Description: The issue is related to a deadlock caused by mbcache entry corruption in the ext4 filesystem. The actual impact and potential for attack have not been proven yet. Recommendations: For...