CVE-2025-68769

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18.0-rc2+ #721

Description An issue exists in the Linux kernel's F2FS filesystem implementation where an incorrect return value from the f2fs recover fsync data() function can lead to a kernel panic. Specifically, the issue occurs when mounting an image with the ro,norecovery or ro,disable roll forward mount options. The f2fs recover fsync data() function may return a positive error number to vfs get tree(), resulting in a system crash. The provided scripts demonstrate how to trigger this panic. The function f2fs recover fsync data() is involved in the recovery of filesystem sync data.

Recommendations Update to a version newer than 6.18.0-rc2+ #721.