{"id":"CVE-2023-53019","state":"PUBLISHED","title":"net: mdio: validate parameter addr in mdiobus_get_phy()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mdio: validate parameter addr in mdiobus_get_phy()\n\nThe caller may pass any value as addr, what may result in an out-of-bounds\naccess to array mdio_map. One existing case is stmmac_init_phy() that\nmay pass -1 as addr. Therefore validate addr before using it.","publishedAt":"2025-03-27T16:43:46.493Z","updatedAt":"2026-05-11T19:37:02.089Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"1d80c259dfbadefa61b7ea334dfce5cb57f8c72f","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"c431a3d642593bbdb99e8a9e3eed608b730db6f8","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"8a7b9560a3a8eb8724888c426e05926752f73aa0","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"4bc5f1f6bc94e695dfd912122af96e7115a0ddb8","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"ad67de330d83e8078372b52af18ffe8d39e26c85","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"7879626296e6ffd838ae0f2af1ab49ee46354973","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"867dbe784c5010a466f00a7d1467c1c5ea569c75","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/phy/mdio_bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.5","versionType":"semver"},{"version":"4.14.305","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.272","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.166","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.91","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/phy/mdio_bus.c"]}],"references":["https://git.kernel.org/stable/c/1d80c259dfbadefa61b7ea334dfce5cb57f8c72f","https://git.kernel.org/stable/c/c431a3d642593bbdb99e8a9e3eed608b730db6f8","https://git.kernel.org/stable/c/8a7b9560a3a8eb8724888c426e05926752f73aa0","https://git.kernel.org/stable/c/4bc5f1f6bc94e695dfd912122af96e7115a0ddb8","https://git.kernel.org/stable/c/ad67de330d83e8078372b52af18ffe8d39e26c85","https://git.kernel.org/stable/c/7879626296e6ffd838ae0f2af1ab49ee46354973","https://git.kernel.org/stable/c/867dbe784c5010a466f00a7d1467c1c5ea569c75"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53019.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53019","state":"PUBLISHED","datePublished":"2025-03-27T16:43:46.493Z","dateUpdated":"2026-05-11T19:37:02.089Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-03-27T16:40:15.751Z"},"containers":{"cna":{"title":"net: mdio: validate parameter addr in mdiobus_get_phy()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mdio: validate parameter addr in mdiobus_get_phy()\n\nThe caller may pass any value as addr, what may result in an out-of-bounds\naccess to array mdio_map. One existing case is stmmac_init_phy() that\nmay pass -1 as addr. Therefore validate addr before using it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"1d80c259dfbadefa61b7ea334dfce5cb57f8c72f","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"c431a3d642593bbdb99e8a9e3eed608b730db6f8","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"8a7b9560a3a8eb8724888c426e05926752f73aa0","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"4bc5f1f6bc94e695dfd912122af96e7115a0ddb8","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"ad67de330d83e8078372b52af18ffe8d39e26c85","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"7879626296e6ffd838ae0f2af1ab49ee46354973","versionType":"git"},{"version":"7f854420fbfe9d49afe2ffb1df052cfe8e215541","status":"affected","lessThan":"867dbe784c5010a466f00a7d1467c1c5ea569c75","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/phy/mdio_bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.5","versionType":"semver"},{"version":"4.14.305","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.272","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.166","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.91","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/phy/mdio_bus.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1d80c259dfbadefa61b7ea334dfce5cb57f8c72f"},{"url":"https://git.kernel.org/stable/c/c431a3d642593bbdb99e8a9e3eed608b730db6f8"},{"url":"https://git.kernel.org/stable/c/8a7b9560a3a8eb8724888c426e05926752f73aa0"},{"url":"https://git.kernel.org/stable/c/4bc5f1f6bc94e695dfd912122af96e7115a0ddb8"},{"url":"https://git.kernel.org/stable/c/ad67de330d83e8078372b52af18ffe8d39e26c85"},{"url":"https://git.kernel.org/stable/c/7879626296e6ffd838ae0f2af1ab49ee46354973"},{"url":"https://git.kernel.org/stable/c/867dbe784c5010a466f00a7d1467c1c5ea569c75"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:37:02.089Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"4.14.305"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"4.19.272"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.4.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.10.166"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.15.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.1.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}