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CVE-2026-53043

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: validate qr_numregions in dlm_match_regions() Patch series "ocfs2/dlm: fix two bugs in dlm_match_regions()". In dlm_match_regions(), the qr_numregions field from a DLM_QUERY_REGION network message is used to drive loops over the qr_regions buffer without sufficient validation. This series fixes two issues: - Patch 1 adds a bounds check to reject messages where qr_numregions exceeds O2NM_MAX_REGIONS. The o2net l
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:86305e606fa3b8f200b748f120d06693b14eea4b5f4a235e77123856278a155f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ocfs2/dlm/dlmdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.37"},{"lessThan":"2.6.37","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ocfs2/dlm/dlmdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d3d5efade0c79dac1cac98c0cb1115432f804439","status":"affected","version":"ea2034416b54700e30371f2ad6517cbb94674083","versionType":"git"},{"lessThan":"f69551139caf6d24242a0ad049ee46b264e3aee0","status":"affected","version":"ea2034416b54700e30371f2ad6517cbb94674083","versionType":"git"},{"lessThan":"1f8b91275912cd428289c1fb424bebd7ff5302bd","status":"affected","version":"ea2034416b54700e30371…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ocfs2/dlm/dlmdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.37"},{"lessThan":"2.6.37","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ocfs2/dlm/dlmdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d3d5efade0c79dac1cac98c0cb1115432f804439","status":"affected","version":"ea2034416b54700e30371f2ad6517cbb94674083","versionType":"git"},{"lessThan":"f69551139caf6d24242a0ad049ee46b264e3aee0","status":"affected","version":"ea2034416b54700e30371f2ad6517cbb94674083","versionType":"git"},{"lessThan":"1f8b91275912cd428289c1fb424bebd7ff5302bd","status":"affected","version":"ea2034416b54700e30371…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/1f8b91275912cd428289c1fb424bebd7ff5302bd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/3c2d0de23ae4be22b6c18e8f0915be74d3b5fb21"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/3f474c33ebc2e2ca3fcb587d7de4375348f13373"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/6c6e8fc3c007319981647b410c29bb5775048551"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/7ab3fbb01bc6d79091bc375e5235d360cd9b78be"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/d3d5efade0c79dac1cac98c0cb1115432f804439"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f37de46149db49abd2b24f4f0c5a88cf4dfb5f47"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/f69551139caf6d24242a0ad049ee46b264e3aee0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2204ed0c9ce480b7d623ba2c74a79694801d2313fce7943e5aea98b92cdc2feb · sha256:fe8fef29fdb15a6b… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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