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CVE-2026-89494 ocfs2: validate lengths in dlm_mig_lockres_handler

🗓️ 11 Sep 2026 19:43:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Linux kernel ocfs2 DLM OOB read and heap OOB write via unvalidated lockres migration message lengths.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89494
12 Sep 202600:00
circl
cve
CVE
CVE-2026-89494
11 Sep 202619:43
cve
debiancve
Debian CVE
CVE-2026-89494
11 Sep 202619:43
debiancve
euvd
EUVD
EUVD-2026-76400
11 Sep 202619:43
euvd
nvd
NVD
CVE-2026-89494
11 Sep 202620:19
nvd
osv
OSV
DEBIAN-CVE-2026-89494
11 Sep 202620:19
osv
ptsecurity
Positive Technologies
PT-2026-90210
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89494
11 Sep 202620:27
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ocfs2/dlm/dlmrecovery.c"
    ],
    "versions": [
      {
        "version": "6714d8e86bf443f6f7af50f9d432025649f091f5",
        "lessThan": "f33041906885f96e190cde54e61ddc69de39e3ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6714d8e86bf443f6f7af50f9d432025649f091f5",
        "lessThan": "50c4cc9183e11f83427efbf770f54851f4471c02",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6714d8e86bf443f6f7af50f9d432025649f091f5",
        "lessThan": "a8facb1670b4a0612183198e758d9539ef628ed9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6714d8e86bf443f6f7af50f9d432025649f091f5",
        "lessThan": "b54e03d9b3697d25f4a0063cf717d459c5e3ad94",
        "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/ocfs2/dlm/dlmrecovery.c"
    ],
    "versions": [
      {
        "version": "2.6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.16",
        "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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