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CVE-2026-89675 nfsd: fix UAF in async copy cancel and shutdown

🗓️ 11 Sep 2026 19:45:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

UAF in Linux kernel nfsd async copy freed during cancel or shutdown teardown.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89675
13 Sep 202611:30
–circl
cve
CVE
CVE-2026-89675
11 Sep 202619:45
–cve
debiancve
Debian CVE
CVE-2026-89675
11 Sep 202619:45
–debiancve
euvd
EUVD
EUVD-2026-76587
11 Sep 202619:45
–euvd
nvd
NVD
CVE-2026-89675
11 Sep 202620:19
–nvd
osv
OSV
BELL-CVE-2026-89675
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89675
11 Sep 202620:19
–osv
osv
OSV
OPENSUSE-SU-2026:11805-1 kernel-devel-7.2.6-1.1 on GA media
17 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-89675
11 Sep 202620:19
–osv
ptsecurity
Positive Technologies
PT-2026-90391
11 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/nfs4proc.c"
    ],
    "versions": [
      {
        "version": "e0639dc5805a9d4faaa2c07ad98fa853b9529dd3",
        "lessThan": "9031493ef7369d5c59c4bacc96f0c85965f09a98",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e0639dc5805a9d4faaa2c07ad98fa853b9529dd3",
        "lessThan": "a385cf5e016b748babf94cc664e43a26e17db117",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e0639dc5805a9d4faaa2c07ad98fa853b9529dd3",
        "lessThan": "62c0f6eaf050bb9284c1f9cac6ed1770092e6b95",
        "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/nfs4proc.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "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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13 Sep 2026 06:32Current
CVSS 3.19.8
EPSS0.00649
35