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CVE-2026-89713 NFSD: check truncate permission under inode lock

🗓️ 11 Sep 2026 19:46:27Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

TOCTOU race in Linux kernel NFSD allows truncating append-only files via pre-lock size check.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89713
13 Sep 202612:30
–circl
cve
CVE
CVE-2026-89713
11 Sep 202619:46
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-89713
11 Sep 202619:46
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89713
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76625
11 Sep 202619:46
–euvd
nvd
NVD
CVE-2026-89713
11 Sep 202620:19
–nvd
osv
OSV
AZL-100142 CVE-2026-89713 affecting package kernel 6.6.157.1-1
11 Sep 202620:19
–osv
osv
OSV
BELL-CVE-2026-89713
15 Sep 202606:05
–osv
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/vfs.c"
    ],
    "versions": [
      {
        "version": "783112f7401ff449d979530209b3f6c2594fdb4e",
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        "status": "affected",
        "versionType": "git"
      },
      {
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      },
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      },
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      },
      {
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      },
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      },
      {
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      },
      {
        "version": "982898d7f97a35447403c3fcecc0d96c646ce101",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.2.89",
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        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "3.16.44",
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        "status": "affected",
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      },
      {
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      },
      {
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        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.10.2",
        "lessThan": "4.11",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/vfs.c"
    ],
    "versions": [
      {
        "version": "4.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "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 06:33Current
CVSS 3.19.1
EPSS0.00647
37