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CVE-2026-89492 ocfs2: validate directory-index entry counts when reading metadata

🗓️ 11 Sep 2026 19:43:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

ocfs2 slab out-of-bounds read in dx_leaf/dx_root entry lists via unvalidated entry counts.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89492
13 Sep 202607:40
–circl
cve
CVE
CVE-2026-89492
11 Sep 202619:43
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-89492
11 Sep 202619:43
–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-2026-89492
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76398
11 Sep 202619:43
–euvd
nvd
NVD
CVE-2026-89492
11 Sep 202620:19
–nvd
osv
OSV
AZL-100235 CVE-2026-89492 affecting package kernel 6.6.150.1-1
11 Sep 202620:19
–osv
osv
OSV
BELL-CVE-2026-89492
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/ocfs2/dir.c"
    ],
    "versions": [
      {
        "version": "9b7895efac906d66d19856194e1ba61f37e231a4",
        "lessThan": "5e661f55ca8568471fce558effe81cca112f5cb2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b7895efac906d66d19856194e1ba61f37e231a4",
        "lessThan": "fcfcba8fe17dbf2c8805690b8cc25e32d81249a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b7895efac906d66d19856194e1ba61f37e231a4",
        "lessThan": "b8a5c0c32df2c5b685ceef76ac77e37c7e1dc3ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b7895efac906d66d19856194e1ba61f37e231a4",
        "lessThan": "bc70726ddad53c7e9a9a85915bf2415b0d4f42f9",
        "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/dir.c"
    ],
    "versions": [
      {
        "version": "2.6.30",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.30",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "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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