PT-2022-35566 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.150 Description: A potential use-after-free issue was identified in jbd2 fc wait bufs. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions prior t...

kernel: jbd2: unmapped buffer with _Unwritten or _Delay flags set can lead to DoS

The journalunmapbuffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the Delay and Unwritten buffer head states, which allows local users to cause a denial of service system crash by leveraging the presence of an ext4 filesystem that was mounted with ...