CVE-2026-46150

fanotify: fix false positive on permission events

At a glance

Severity
HIGH 7.1
EPSS
EPSS 0.13 % · percentile 3 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NLinux
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected abc77577a669f424c5d0c185b9994f2621c52aa4 < a24765332e129c1916d5a6615418b75599b8fcdc ; affected abc77577a669f424c5d0c185b9994f2621c52aa4 < 4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 ; affected abc77577a669f424c5d0c185b9994f2621c52aa4 < 04bb66be92f48ed13c3faf1139d892df228789bc ; affected abc77577a669f424c5d0c185b9994f2621c52aa4 < 895ebbedf88318607c24acc0f591c74b165e1d0a ; affected abc77577a669f424c5d0c185b9994f2621c52aa4 < f130790f1acc8399f32652846c875a251efd040f ; affected abc77577a669f424c5d0c185b9994f2621c52aa4 < 7baa02b0ae9d17ec5f08836d8ea88ce1927d0678
Linux · Linuxaffected 4.12 ; unaffected 0 < 4.12 ; unaffected 5.10.258 ≤ 5.10.* ; unaffected 5.15.209 ≤ 5.15.* ; unaffected 6.1.175 ≤ 6.1.* ; unaffected 6.6.140 ≤ 6.6.*

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD