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CVE-2026-46150fanotify: fix false positive on permission events
- 7.1HighCVSS base score
- 0.13%Exploitation in 30 daysEPSS · top 97% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Linux
- 15 days later
· 15 days later
Published
- 5 months later
· 5 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.13% · top 97% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < a24765332e129c1916d5a6615418b75599b8fcdc
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < 4a7611ad653785fcdea5ff5f4441e2b7d05b7f11
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < 04bb66be92f48ed13c3faf1139d892df228789bc
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < 895ebbedf88318607c24acc0f591c74b165e1d0a
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < f130790f1acc8399f32652846c875a251efd040f
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < 7baa02b0ae9d17ec5f08836d8ea88ce1927d0678
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < b7b24b28c8cd55844cab908f4f39dded638d5538
- affected abc77577a669f424c5d0c185b9994f2621c52aa4 – < 7746e3bd4cc19b5092e00d32d676e329bfcb6900
- affected 4.12
- unaffected < 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.*
- unaffected 6.12.88 – ≤ 6.12.*
- unaffected 6.18.30 – ≤ 6.18.*
- unaffected 7.0.7 – ≤ 7.0.*
- unaffected 7.1 – ≤ *
References
References9
- https://git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdc (opens in a new tab)
- https://git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 (opens in a new tab)
- https://git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bc (opens in a new tab)
- https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a (opens in a new tab)
- https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f (opens in a new tab)
- https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 (opens in a new tab)
- https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538 (opens in a new tab)
- https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900 (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-32777 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-46150)Record last updated .