7.1

CVE-2026-46150: fanotify: fix false positive on permission events

Modified
AliasesUBUNTU-CVE-2026-46150DEBIAN-CVE-2026-46150
Published 28-05-2026Last modified 19-10-2026

Vulnerability summary

CVE-2026-46150 is a high (CVSS 7.1) Incorrect Authorization vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.13%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 165 · Related 151
OPENSUSE-SU-2026:10954-1OPENSUSE-SU-2026:21388-1RHSA-2026:42919RHSA-2026:43307RHSA-2026:49213RHSA-2026:49214

Showing 100 of 165.

Timeline

  1. 28-05-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

Decrease -0.01 pp

From 0.14% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu165 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136 | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64 | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < a24765332e129c1916d5a6615418b75599b8fcdc | ≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < 4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 | ≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < 04bb66be92f48ed13c3faf1139d892df228789bc | ≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < 895ebbedf88318607c24acc0f591c74b165e1d0a | ≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < f130790f1acc8399f32652846c875a251efd040f | ≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < 7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 | ≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < b7b24b28c8cd55844cab908f4f39dded638d5538 | ≥ abc77577a669f424c5d0c185b9994f2621c52aa4, < 7746e3bd4cc19b5092e00d32d676e329bfcb6900 | 4.12
  • linux_kernel≥ 4.12, < 5.10.258 | ≥ 5.11, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.140 | ≥ 6.7, < 6.12.88 | ≥ 6.13, < 6.18.30 | ≥ 6.19, < 7.0.7 | 7.1:rc1
Debian1 product
  • linux< 6.1.176-1 | < 6.12.88-1 | < 7.0.7-1

3 vendors · 168 products

References

52 links
Show all 52 references