CVE-2025-68796

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The Linux kernel contains a flaw within the F2FS filesystem related to extent cache management. Specifically, the issue involves the potential addition of a zero-sized extent into the extent cache during an error path in the f2fs zero range() function. This can lead to an invalid opcode and a kernel bug, as reported by syzbot. The update extent tree range() function is implicated in the error. The issue occurs when updating the extent tree range.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.