{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38537","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.024Z","datePublished":"2025-08-16T11:12:29.432Z","dateUpdated":"2026-05-11T21:29:56.537Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:29:56.537Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: Don't register LEDs for genphy\n\nIf a PHY has no driver, the genphy driver is probed/removed directly in\nphy_attach/detach. If the PHY's ofnode has an \"leds\" subnode, then the\nLEDs will be (un)registered when probing/removing the genphy driver.\nThis could occur if the leds are for a non-generic driver that isn't\nloaded for whatever reason. Synchronously removing the PHY device in\nphy_detach leads to the following deadlock:\n\nrtnl_lock()\nndo_close()\n    ...\n    phy_detach()\n        phy_remove()\n            phy_leds_unregister()\n                led_classdev_unregister()\n                    led_trigger_set()\n                        netdev_trigger_deactivate()\n                            unregister_netdevice_notifier()\n                                rtnl_lock()\n\nThere is a corresponding deadlock on the open/register side of things\n(and that one is reported by lockdep), but it requires a race while this\none is deterministic.\n\nGeneric PHYs do not support LEDs anyway, so don't bother registering\nthem."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/phy/phy_device.c"],"versions":[{"version":"01e5b728e9e43ae444e0369695a5f72209906464","lessThan":"ec158d05eaa91b2809cab65f8068290e3c05ebdd","status":"affected","versionType":"git"},{"version":"01e5b728e9e43ae444e0369695a5f72209906464","lessThan":"fd6493533af9e5d73d0d42ff2a8ded978a701dc6","status":"affected","versionType":"git"},{"version":"01e5b728e9e43ae444e0369695a5f72209906464","lessThan":"75e1b2079ef0653a2f7aa69be515d86b7faf1908","status":"affected","versionType":"git"},{"version":"01e5b728e9e43ae444e0369695a5f72209906464","lessThan":"f0f2b992d8185a0366be951685e08643aae17d6d","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/phy/phy_device.c"],"versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","status":"unaffected","versionType":"semver"},{"version":"6.6.100","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.40","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.8","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","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":"6.4","versionEndExcluding":"6.6.100"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.15.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ec158d05eaa91b2809cab65f8068290e3c05ebdd"},{"url":"https://git.kernel.org/stable/c/fd6493533af9e5d73d0d42ff2a8ded978a701dc6"},{"url":"https://git.kernel.org/stable/c/75e1b2079ef0653a2f7aa69be515d86b7faf1908"},{"url":"https://git.kernel.org/stable/c/f0f2b992d8185a0366be951685e08643aae17d6d"}],"title":"net: phy: Don't register LEDs for genphy","x_generator":{"engine":"bippy-1.2.0"}}}}