Vulnerability-Lookup

GHSA-97PW-XX9J-RG9J

Vulnerability from github – Published: 2026-05-28 12:30 – Updated: 2026-05-28 12:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46150"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:30Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfanotify: fix false positive on permission events\n\nfsnotify_get_mark_safe() may return false for a mark on an unrelated group,\nwhich results in bypassing the permission check.\n\nFix by skipping over detached marks that are not in the current group.",
  "id": "GHSA-97pw-xx9j-rg9j",
  "modified": "2026-05-28T12:30:30Z",
  "published": "2026-05-28T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46150"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-05-28 09:36

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

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/895ebbedf88318607…
https://git.kernel.org/stable/c/f130790f1acc8399f…
https://git.kernel.org/stable/c/7baa02b0ae9d17ec5…
https://git.kernel.org/stable/c/b7b24b28c8cd55844…
https://git.kernel.org/stable/c/7746e3bd4cc19b509…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 895ebbedf88318607c24acc0f591c74b165e1d0a (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < f130790f1acc8399f32652846c875a251efd040f (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < b7b24b28c8cd55844cab908f4f39dded638d5538 (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 7746e3bd4cc19b5092e00d32d676e329bfcb6900 (git)
Linux	Linux	Affected: 4.12 Unaffected: 0 , < 4.12 (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-rc2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/notify/fsnotify.c",
            "fs/notify/mark.c",
            "include/linux/fsnotify_backend.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "895ebbedf88318607c24acc0f591c74b165e1d0a",
              "status": "affected",
              "version": "abc77577a669f424c5d0c185b9994f2621c52aa4",
              "versionType": "git"
            },
            {
              "lessThan": "f130790f1acc8399f32652846c875a251efd040f",
              "status": "affected",
              "version": "abc77577a669f424c5d0c185b9994f2621c52aa4",
              "versionType": "git"
            },
            {
              "lessThan": "7baa02b0ae9d17ec5f08836d8ea88ce1927d0678",
              "status": "affected",
              "version": "abc77577a669f424c5d0c185b9994f2621c52aa4",
              "versionType": "git"
            },
            {
              "lessThan": "b7b24b28c8cd55844cab908f4f39dded638d5538",
              "status": "affected",
              "version": "abc77577a669f424c5d0c185b9994f2621c52aa4",
              "versionType": "git"
            },
            {
              "lessThan": "7746e3bd4cc19b5092e00d32d676e329bfcb6900",
              "status": "affected",
              "version": "abc77577a669f424c5d0c185b9994f2621c52aa4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/notify/fsnotify.c",
            "fs/notify/mark.c",
            "include/linux/fsnotify_backend.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.12"
            },
            {
              "lessThan": "4.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfanotify: fix false positive on permission events\n\nfsnotify_get_mark_safe() may return false for a mark on an unrelated group,\nwhich results in bypassing the permission check.\n\nFix by skipping over detached marks that are not in the current group."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:36:06.494Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a"
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        },
        {
          "url": "https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678"
        },
        {
          "url": "https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538"
        },
        {
          "url": "https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900"
        }
      ],
      "title": "fanotify: fix false positive on permission events",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46150",
    "datePublished": "2026-05-28T09:36:06.494Z",
    "dateReserved": "2026-05-13T15:03:33.101Z",
    "dateUpdated": "2026-05-28T09:36:06.494Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-97PW-XX9J-RG9J

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

Tags

Sightings

Nomenclature