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CVE-2026-89484 lockd: fix NULL dereference on lockowner allocation failure

🗓️ 11 Sep 2026 19:43:38Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

NULL dereference in Linux kernel lockd on lockowner allocation failure in NFS lock init.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89484
11 Sep 202619:43
cve
debiancve
Debian CVE
CVE-2026-89484
11 Sep 202619:43
debiancve
euvd
EUVD
EUVD-2026-76390
11 Sep 202619:43
euvd
nvd
NVD
CVE-2026-89484
11 Sep 202620:19
nvd
osv
OSV
AZL-100778 CVE-2026-89484 affecting package kernel 6.6.150.1-1
11 Sep 202620:19
osv
osv
OSV
DEBIAN-CVE-2026-89484
11 Sep 202620:19
osv
ptsecurity
Positive Technologies
PT-2026-90200
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89484
11 Sep 202621:28
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/lockd/clntproc.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "07adfbb3de7529f58ca708a97ead7fa4fdb71056",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "d662f7fc04fde305a27f304b3cd19b614d366839",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "51af080ca4e553256c59a75a877b9b4fff828311",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "4c7fc129db061c7daab841c4f3c342d894832362",
        "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/lockd/clntproc.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "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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