{"id":"CVE-2025-68187","state":"PUBLISHED","title":"net: mdio: Check regmap pointer returned by device_node_to_regmap()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mdio: Check regmap pointer returned by device_node_to_regmap()\n\nThe call to device_node_to_regmap() in airoha_mdio_probe() can return\nan ERR_PTR() if regmap initialization fails. Currently, the driver\nstores the pointer without validation, which could lead to a crash\nif it is later dereferenced.\n\nAdd an IS_ERR() check and return the corresponding error code to make\nthe probe path more robust.","publishedAt":"2025-12-16T13:43:04.691Z","updatedAt":"2026-05-11T21:48:20.681Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"67e3ba978361cb262f8f8981ab88ccb97f1e2bda","status":"affected","lessThan":"dc8ed3823473bb38ba43cfb34f1e1c1baa22f975","versionType":"git"},{"version":"67e3ba978361cb262f8f8981ab88ccb97f1e2bda","status":"affected","lessThan":"b2b526c2cf57d14ee269e012ed179081871f45a1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/mdio/mdio-airoha.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/mdio/mdio-airoha.c"]}],"references":["https://git.kernel.org/stable/c/dc8ed3823473bb38ba43cfb34f1e1c1baa22f975","https://git.kernel.org/stable/c/b2b526c2cf57d14ee269e012ed179081871f45a1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68187.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68187","state":"PUBLISHED","datePublished":"2025-12-16T13:43:04.691Z","dateUpdated":"2026-05-11T21:48:20.681Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.252Z"},"containers":{"cna":{"title":"net: mdio: Check regmap pointer returned by device_node_to_regmap()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mdio: Check regmap pointer returned by device_node_to_regmap()\n\nThe call to device_node_to_regmap() in airoha_mdio_probe() can return\nan ERR_PTR() if regmap initialization fails. Currently, the driver\nstores the pointer without validation, which could lead to a crash\nif it is later dereferenced.\n\nAdd an IS_ERR() check and return the corresponding error code to make\nthe probe path more robust."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"67e3ba978361cb262f8f8981ab88ccb97f1e2bda","status":"affected","lessThan":"dc8ed3823473bb38ba43cfb34f1e1c1baa22f975","versionType":"git"},{"version":"67e3ba978361cb262f8f8981ab88ccb97f1e2bda","status":"affected","lessThan":"b2b526c2cf57d14ee269e012ed179081871f45a1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/mdio/mdio-airoha.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/mdio/mdio-airoha.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/dc8ed3823473bb38ba43cfb34f1e1c1baa22f975"},{"url":"https://git.kernel.org/stable/c/b2b526c2cf57d14ee269e012ed179081871f45a1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:48:20.681Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}