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CVE-2026-53043 ocfs2/dlm: validate qr_numregions in dlm_match_regions()

🗓️ 24 Jun 2026 16:29:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

CVE-2026-53043: ocfs2/dlm validates qr_numregions to prevent OOB reads; adds bounds check and fixes off-by-one.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-53043
24 Jun 202616:29
cve
Debian CVE
CVE-2026-53043
24 Jun 202616:29
debiancve
EUVD
EUVD-2026-38911
24 Jun 202616:29
euvd
NVD
CVE-2026-53043
24 Jun 202617:17
nvd
OSV
BELL-CVE-2026-53043
26 Jun 202606:12
osv
OSV
DEBIAN-CVE-2026-53043
24 Jun 202617:17
osv
OSV
ECHO-8CBB-881D-9B76
25 Jun 202609:55
osv
OSV
UBUNTU-CVE-2026-53043
24 Jun 202617:17
osv
Positive Technologies
PT-2026-51937
24 Jun 202600:00
ptsecurity
RedhatCVE
CVE-2026-53043
26 Jun 202600:08
redhatcve
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/dlm/dlmdomain.c"
    ],
    "versions": [
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "d3d5efade0c79dac1cac98c0cb1115432f804439",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "f69551139caf6d24242a0ad049ee46b264e3aee0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "1f8b91275912cd428289c1fb424bebd7ff5302bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "f37de46149db49abd2b24f4f0c5a88cf4dfb5f47",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "6c6e8fc3c007319981647b410c29bb5775048551",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "3f474c33ebc2e2ca3fcb587d7de4375348f13373",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "3c2d0de23ae4be22b6c18e8f0915be74d3b5fb21",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea2034416b54700e30371f2ad6517cbb94674083",
        "lessThan": "7ab3fbb01bc6d79091bc375e5235d360cd9b78be",
        "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/dlmdomain.c"
    ],
    "versions": [
      {
        "version": "2.6.37",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.37",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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