{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43125","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.988Z","datePublished":"2026-05-06T11:27:10.903Z","dateUpdated":"2026-05-11T22:18:14.426Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:18:14.426Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndlm: validate length in dlm_search_rsb_tree\n\nThe len parameter in dlm_dump_rsb_name() is not validated and comes\nfrom network messages. When it exceeds DLM_RESNAME_MAXLEN, it can\ncause out-of-bounds write in dlm_search_rsb_tree().\n\nAdd length validation to prevent potential buffer overflow."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/dlm/lock.c"],"versions":[{"version":"7210cb7a72a22303cdb225bd1aea28697a17bbae","lessThan":"67288113c5e6cf9e659b4065c0ed6f16100e0c71","status":"affected","versionType":"git"},{"version":"7210cb7a72a22303cdb225bd1aea28697a17bbae","lessThan":"082083c9fbd99422a0370fe2102144a231c9f5d6","status":"affected","versionType":"git"},{"version":"7210cb7a72a22303cdb225bd1aea28697a17bbae","lessThan":"5f053a2e7209d326cbbc07738fa6d6893d307438","status":"affected","versionType":"git"},{"version":"7210cb7a72a22303cdb225bd1aea28697a17bbae","lessThan":"080e5563f878c64e697b89e7439d730d0daad882","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/dlm/lock.c"],"versions":[{"version":"3.4","status":"affected"},{"version":"0","lessThan":"3.4","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.16","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.6","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71"},{"url":"https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6"},{"url":"https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438"},{"url":"https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882"}],"title":"dlm: validate length in dlm_search_rsb_tree","x_generator":{"engine":"bippy-1.2.0"}}}}