Description
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.
Affected products
linux: linux kernel
References9
- git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bc Patch
- git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 Patch
- git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900 Patch
- git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 Patch
- git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a Patch
- git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdc Patch
- git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538 Patch
- git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f Patch
- cert-portal.siemens.com/productcert/html/ssa-784472.html
Metrics
- CVSS 3.1
-
7.1
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 0% percentile: 3 · as of 15 November 2026
- CWE
- CWE-863
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