fanotify: fix false positive on permission events
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.1%
exploitation probability
0.1%top 96% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
fanotify: fix false positive on permission events
fsnotify_get_mark_safe() may return false for a mark on an unrelated group,
which results in bypassing the permission check.
Fix by skipping over detached marks that are not in the current group.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bchttps://git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0ahttps://git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdchttps://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f