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CVE-2026-89667 nfsd: close shrinker/GC/fsnotify vs per-net shutdown race in filecache

🗓️ 11 Sep 2026 19:45:53Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

nfsd filecache race between shrinker/GC/fsnotify and per-net shutdown causing memory leak.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89667
11 Sep 202619:45
cve
euvd
EUVD
EUVD-2026-76579
11 Sep 202619:45
euvd
nvd
NVD
CVE-2026-89667
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90383
11 Sep 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/filecache.c"
    ],
    "versions": [
      {
        "version": "ffb402596147ac583f3464ff5c48feb9423e3838",
        "lessThan": "6d6b9f6a75c3767250e9c23ace4e384ab8f7843e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffb402596147ac583f3464ff5c48feb9423e3838",
        "lessThan": "08af9593e2b472fd98c00faf1bf03bdbb7203477",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffb402596147ac583f3464ff5c48feb9423e3838",
        "lessThan": "40162cfea79b9510380decfdd1795b754dc9f972",
        "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/nfsd/filecache.c"
    ],
    "versions": [
      {
        "version": "6.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.9",
        "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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