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CVE-2026-89595 fsnotify: Fix stale object mask after concurrent mark updates

🗓️ 11 Sep 2026 19:44:58Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Race in Linux kernel fsnotify causes stale object mask, losing FAN_MODIFY or IN_MODIFY events.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89595
11 Sep 202619:44
cve
euvd
EUVD
EUVD-2026-76507
11 Sep 202619:44
euvd
nvd
NVD
CVE-2026-89595
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90311
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89595
11 Sep 202622:42
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/notify/fanotify/fanotify_user.c",
      "fs/notify/inotify/inotify_user.c"
    ],
    "versions": [
      {
        "version": "63c882a05416e18de6fb59f7dd6da48f3bbe8273",
        "lessThan": "947400af98b9e63841929d079a2c3ea0a8ba227b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63c882a05416e18de6fb59f7dd6da48f3bbe8273",
        "lessThan": "ac8d8b599d466a129122bded77db3d0f8b96b461",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63c882a05416e18de6fb59f7dd6da48f3bbe8273",
        "lessThan": "e422777fdd4746de1109575c51e65038d4c5c1be",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/notify/fanotify/fanotify_user.c",
      "fs/notify/inotify/inotify_user.c"
    ],
    "versions": [
      {
        "version": "2.6.31",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.31",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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