UBUNTU-CVE-2023-53526

In the Linux kernel, the following vulnerability has been resolved: jbd2: check 'jh-btransaction' before removing it from checkpoint Following process will corrupt ext4 image: Step 1: jbd2journalcommittransaction jbd2journalinsertcheckpointjh, committransaction // Put jh into trans1-tcheckpointli...

kernel: stack-out-of-bounds write in jbd2_journal_dirty_metadata function

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in jbd2journaldirtymetadata, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image...