CVE-2026-43228

A flaw was found in the Linux kernel HFS component. A local attacker could provide a specially crafted and corrupted Master Directory Block MDB to trigger a kernel panic. This vulnerability, caused by improper error handling of CNID count checks, leads to a system Denial of Service DoS...

CVE-2026-43228

The CVE-2026-43228 entry concerns the Linux kernel hfs component where 64-bit CNID counts (next_id, folder_count, file_count) triggered kernel panics when MDB was corrupted. Root cause: BUG_ON-based overflow checks replaced by proper error handling. Impact: local DoS via kernel panic with a corru...

CVE-2026-43228 hfs: Replace BUG_ON with error handling for CNID count checks

In the Linux kernel, the following vulnerability has been resolved: hfs: Replace BUGON with error handling for CNID count checks In a06ec283e125 nextid, foldercount, and filecount in the super block info were expanded to 64 bits, and BUGONs were added to detect overflow. This triggered an error...

PT-2026-37568

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the hfs component where the use of BUG ON to detect overflows in next id, folder count, and file count within the super block info can be triggered if the MDB Master...