{"id":"CVE-2025-38725","state":"PUBLISHED","title":"net: usb: asix_devices: add phy_mask for ax88772 mdio bus","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: asix_devices: add phy_mask for ax88772 mdio bus\n\nWithout setting phy_mask for ax88772 mdio bus, current driver may create\nat most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f.\nDLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy\ndevice will bind to net phy driver. This is creating issue during system\nsuspend/resume since phy_polling_mode() in phy_state_machine() will\ndirectly deference member of phydev->drv for non-main phy devices. Then\nNULL pointer dereference issue will occur. Due to only external phy or\ninternal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud\nthe issue.","publishedAt":"2025-09-04T15:33:23.468Z","updatedAt":"2026-10-15T01:07:49.441Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e532a096be0e5e570b383e71d4560e7f04384e0f","status":"affected","lessThan":"75947d3200de98a9ded9ad8972e02f1a177097fe","versionType":"git"},{"version":"e532a096be0e5e570b383e71d4560e7f04384e0f","status":"affected","lessThan":"59ed6fbdb1bc03316e09493ffde7066f031c7524","versionType":"git"},{"version":"e532a096be0e5e570b383e71d4560e7f04384e0f","status":"affected","lessThan":"ccef5ee4adf56472aa26bdd1f821a6d0cd06089a","versionType":"git"},{"version":"e532a096be0e5e570b383e71d4560e7f04384e0f","status":"affected","lessThan":"ee2cd40b0bb46056949a2319084a729d95389386","versionType":"git"},{"version":"e532a096be0e5e570b383e71d4560e7f04384e0f","status":"affected","lessThan":"a754ab53993b1585132e871c5d811167ad3c52ff","versionType":"git"},{"version":"e532a096be0e5e570b383e71d4560e7f04384e0f","status":"affected","lessThan":"ad1f8313aeec0115f9978bd2d002ef4a8d96c773","versionType":"git"},{"version":"e532a096be0e5e570b383e71d4560e7f04384e0f","status":"affected","lessThan":"4faff70959d51078f9ee8372f8cff0d7045e4114","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/asix_devices.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.43","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.11","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.2","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/asix_devices.c"]}],"references":["https://git.kernel.org/stable/c/75947d3200de98a9ded9ad8972e02f1a177097fe","https://git.kernel.org/stable/c/59ed6fbdb1bc03316e09493ffde7066f031c7524","https://git.kernel.org/stable/c/ccef5ee4adf56472aa26bdd1f821a6d0cd06089a","https://git.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386","https://git.kernel.org/stable/c/a754ab53993b1585132e871c5d811167ad3c52ff","https://git.kernel.org/stable/c/ad1f8313aeec0115f9978bd2d002ef4a8d96c773","https://git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://cert-portal.siemens.com/productcert/html/ssa-032379.html","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38725.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38725","state":"PUBLISHED","datePublished":"2025-09-04T15:33:23.468Z","dateUpdated":"2026-10-15T01:07:49.441Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.033Z"},"containers":{"cna":{"title":"net: usb: asix_devices: add phy_mask for ax88772 mdio bus","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: asix_devices: add phy_mask for ax88772 mdio bus\n\nWithout setting phy_mask for ax88772 mdio bus, current driver may create\nat most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f.\nDLink DUB-E100 H/W Ver B1 is such a device. 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Due to only external phy or\ninternal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud\nthe 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