CVE-2026-53043

🗓️ 24 Jun 2026 16:29:49Reported by LinuxType

Fix bounds and off-by-one in dlm_match_regions to validate qr_numregions and prevent out-of-bounds reads.

Reporter	Title	Published	Views	Family All 9
Cvelist	CVE-2026-53043 ocfs2/dlm: validate qr_numregions in dlm_match_regions()	24 Jun 202616:29	–	cvelist
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	DEBIAN-CVE-2026-53043	24 Jun 202620:48	–	osv
OSV	ECHO-8CBB-881D-9B76	25 Jun 202609:55	–	osv
OSV	UBUNTU-CVE-2026-53043	25 Jun 202600:00	–	osv
Positive Technologies	PT-2026-51937	24 Jun 202600:00	–	ptsecurity
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-53043	25 Jun 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange2.6.37–5.10.258

linux linux_kernelRange5.11.0–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.141

linux linux_kernelRange6.7.0–6.12.91

linux linux_kernelRange6.13.0–6.18.33

linux linux_kernelRange6.19.0–7.0.10

linux linux_kernelRange7.1.0≥

[
  {
    "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/3c2d0de23ae4be22b6c18e8f0915be74d3b5fb21
git	www.git.kernel.org/stable/c/f37de46149db49abd2b24f4f0c5a88cf4dfb5f47
git	www.git.kernel.org/stable/c/d3d5efade0c79dac1cac98c0cb1115432f804439
git	www.git.kernel.org/stable/c/1f8b91275912cd428289c1fb424bebd7ff5302bd
git	www.git.kernel.org/stable/c/f69551139caf6d24242a0ad049ee46b264e3aee0
git	www.git.kernel.org/stable/c/7ab3fbb01bc6d79091bc375e5235d360cd9b78be
git	www.git.kernel.org/stable/c/6c6e8fc3c007319981647b410c29bb5775048551
git	www.git.kernel.org/stable/c/3f474c33ebc2e2ca3fcb587d7de4375348f13373

24 Jun 2026 17:17Current

5.9Medium risk

Vulners AI Score5.9