{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97972","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:18:58.207Z","datePublished":"2026-09-25T10:23:12.139Z","dateUpdated":"2026-09-25T10:23:12.139Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-25T10:23:12.139Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: put the \"mdio\" child node reference on success\n\nmacb_mii_init() holds the reference returned by of_get_child_by_name()\nfor macb_mdiobus_register() and drops it only on the error paths, so\nevery successful probe leaks a node reference. On a CM5, overlay\nremoval after four bind cycles reports\n\n  OF: ERROR: memory leak, expected refcount 1 instead of 5\n\nDrop the reference after registration, where __mdiobus_register() has\nalready taken its own for the lifetime of the bus."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cadence/macb_main.c"],"versions":[{"version":"8a6631f1cece09047fa44608d21d520ca65ce7d8","lessThan":"5fba30080d298edb742396073372385c961578d3","status":"affected","versionType":"git"},{"version":"8a6631f1cece09047fa44608d21d520ca65ce7d8","lessThan":"7d60dc7ff85b73a2119d582ca2d4456b30960380","status":"affected","versionType":"git"},{"version":"8a6631f1cece09047fa44608d21d520ca65ce7d8","lessThan":"382a373d9ea7a6ac4de9c022385b6217f65ae3cc","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cadence/macb_main.c"],"versions":[{"version":"6.13","status":"affected"},{"version":"0","lessThan":"6.13","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.7","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc3","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":"6.13","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.3-rc3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5fba30080d298edb742396073372385c961578d3"},{"url":"https://git.kernel.org/stable/c/7d60dc7ff85b73a2119d582ca2d4456b30960380"},{"url":"https://git.kernel.org/stable/c/382a373d9ea7a6ac4de9c022385b6217f65ae3cc"}],"title":"net: macb: put the \"mdio\" child node reference on success","x_generator":{"engine":"bippy-1.2.0"}}}}