CVE-2026-46150 (GCVE-0-2026-46150)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-08-05 12:30
VLAI
Title
fanotify: fix false positive on permission events
Summary
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.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < a24765332e129c1916d5a6615418b75599b8fcdc (git)
Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 (git)
Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 04bb66be92f48ed13c3faf1139d892df228789bc (git)
Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 895ebbedf88318607c24acc0f591c74b165e1d0a (git)
Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < f130790f1acc8399f32652846c875a251efd040f (git)
Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 (git)
Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < b7b24b28c8cd55844cab908f4f39dded638d5538 (git)
Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 7746e3bd4cc19b5092e00d32d676e329bfcb6900 (git)
Create a notification for this product.
Linux Linux Affected: 4.12
Unaffected: 0 , < 4.12 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.88 , ≤ 6.12.* (semver)
Unaffected: 6.18.30 , ≤ 6.18.* (semver)
Unaffected: 7.0.7 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-31T18:19:04+00:00",
      "cve": "CVE-2026-46150",
      "id": "CVE-2026-46150",
      "initial_release_date": "2026-05-28T00:00:00+00:00",
      "product_status:fixed": "762",
      "product_status:known_affected": "64",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: fanotify: fix false positive on permission events",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46150.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-05T00:37:24Z",
      "cve": "CVE-2026-46150",
      "id": "CVE-2026-46150",
      "initial_release_date": "2026-05-29T01:16:13Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "463",
      "product_status:known_not_affected": "6",
      "product_status:recommended": "621",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-46150",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46150.json",
      "version": "23"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.