{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53261","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.394Z","datePublished":"2026-06-25T08:39:49.891Z","dateUpdated":"2026-06-25T08:39:49.891Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-25T08:39:49.891Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: Release nested relation on devlink free\n\ndevlink relation state is normally released from devl_unregister(), which\ncalls devlink_rel_put(). This misses devlink instances that get a nested\nrelation before registration and then fail probe before devl_register() is\nreached.\n\nThat flow can happen for SFs. The child devlink gets linked to its\nparent before registration, then a later probe error calls devlink_free()\ndirectly. Since the instance was never registered, devl_unregister() is not\ncalled and devlink->rel is leaked.\n\nRelease any pending relation from devlink_free() as well. The registered\npath is unchanged because devl_unregister() already clears devlink->rel\nbefore devlink_free() runs."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/devlink/core.c"],"versions":[{"version":"c137743bce02b18c1537d4681aa515f7b80bf0a8","lessThan":"a9137286884703113b1c9e6403bd6d7d97b14754","status":"affected","versionType":"git"},{"version":"c137743bce02b18c1537d4681aa515f7b80bf0a8","lessThan":"927f96861f939c0b517d13ed27bf4fabbfc1cfb3","status":"affected","versionType":"git"},{"version":"c137743bce02b18c1537d4681aa515f7b80bf0a8","lessThan":"11324d52b0c63f4f202b35793c6507a575e9a689","status":"affected","versionType":"git"},{"version":"c137743bce02b18c1537d4681aa515f7b80bf0a8","lessThan":"3522b21fd7e1863d0734537737bd59f1b90d0190","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/devlink/core.c"],"versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","status":"unaffected","versionType":"semver"},{"version":"6.12.94","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.36","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"6.7","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a9137286884703113b1c9e6403bd6d7d97b14754"},{"url":"https://git.kernel.org/stable/c/927f96861f939c0b517d13ed27bf4fabbfc1cfb3"},{"url":"https://git.kernel.org/stable/c/11324d52b0c63f4f202b35793c6507a575e9a689"},{"url":"https://git.kernel.org/stable/c/3522b21fd7e1863d0734537737bd59f1b90d0190"}],"title":"devlink: Release nested relation on devlink free","x_generator":{"engine":"bippy-1.2.0"}}}}