{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-53043/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-28T06:38:24.551Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-53043","@id":"https://www.cve.org/CVERecord?id=CVE-2026-53043","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2/dlm: validate qr_numregions in dlm_match_regions()\n\nPatch series \"ocfs2/dlm: fix two bugs in dlm_match_regions()\".\n\nIn dlm_match_regions(), the qr_numregions field from a DLM_QUERY_REGION\nnetwork message is used to drive loops over the qr_regions buffer without\nsufficient validation.  This series fixes two issues:\n\n- Patch 1 adds a bounds check to reject messages where qr_numregions\n  exceeds O2NM_MAX_REGIONS. The o2net l"},"products":[{"@id":"cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:linux:linux:2.6.37:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:linux:linux:2.6.37:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 0, 1f8b91275912cd428289c1fb424bebd7ff5302bd, 3c2d0de23ae4be22b6c18e8f0915be74d3b5fb21, 3f474c33ebc2e2ca3fcb587d7de4375348f13373, 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 6c6e8fc3c007319981647b410c29bb5775048551, 7.0.10, 7.1, 7ab3fbb01bc6d79091bc375e5235d360cd9b78be, d3d5efade0c79dac1cac98c0cb1115432f804439, f37de46149db49abd2b24f4f0c5a88cf4dfb5f47, f69551139caf6d24242a0ad049ee46b264e3aee0.","timestamp":"2026-06-28T06:38:24.551Z"}]}