{"id":"CVE-2024-27021","state":"PUBLISHED","title":"r8169: fix LED-related deadlock on module removal","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nr8169: fix LED-related deadlock on module removal\n\nBinding devm_led_classdev_register() to the netdev is problematic\nbecause on module removal we get a RTNL-related deadlock. Fix this\nby avoiding the device-managed LED functions.\n\nNote: We can safely call led_classdev_unregister() for a LED even\nif registering it failed, because led_classdev_unregister() detects\nthis and is a no-op in this case.","publishedAt":"2024-05-01T05:30:21.242Z","updatedAt":"2026-05-11T20:08:52.972Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"18764b883e157e28126b54e7d4ba9dd487d5bf54","status":"affected","lessThan":"53d986f39acd8ea11c9e460732bfa5add66360d9","versionType":"git"},{"version":"18764b883e157e28126b54e7d4ba9dd487d5bf54","status":"affected","lessThan":"19fa4f2a85d777a8052e869c1b892a2f7556569d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/realtek/r8169.h","drivers/net/ethernet/realtek/r8169_leds.c","drivers/net/ethernet/realtek/r8169_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.8.8","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/realtek/r8169.h","drivers/net/ethernet/realtek/r8169_leds.c","drivers/net/ethernet/realtek/r8169_main.c"]}],"references":["https://git.kernel.org/stable/c/53d986f39acd8ea11c9e460732bfa5add66360d9","https://git.kernel.org/stable/c/19fa4f2a85d777a8052e869c1b892a2f7556569d","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/27xxx/CVE-2024-27021.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-27021","state":"PUBLISHED","datePublished":"2024-05-01T05:30:21.242Z","dateUpdated":"2026-05-11T20:08:52.972Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.210Z"},"containers":{"cna":{"title":"r8169: fix LED-related deadlock on module removal","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nr8169: fix LED-related deadlock on module removal\n\nBinding devm_led_classdev_register() to the netdev is problematic\nbecause on module removal we get a RTNL-related deadlock. Fix this\nby avoiding the device-managed LED functions.\n\nNote: We can safely call led_classdev_unregister() for a LED even\nif registering it failed, because led_classdev_unregister() detects\nthis and is a no-op in this case."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"18764b883e157e28126b54e7d4ba9dd487d5bf54","status":"affected","lessThan":"53d986f39acd8ea11c9e460732bfa5add66360d9","versionType":"git"},{"version":"18764b883e157e28126b54e7d4ba9dd487d5bf54","status":"affected","lessThan":"19fa4f2a85d777a8052e869c1b892a2f7556569d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/realtek/r8169.h","drivers/net/ethernet/realtek/r8169_leds.c","drivers/net/ethernet/realtek/r8169_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.8.8","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/realtek/r8169.h","drivers/net/ethernet/realtek/r8169_leds.c","drivers/net/ethernet/realtek/r8169_main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/53d986f39acd8ea11c9e460732bfa5add66360d9"},{"url":"https://git.kernel.org/stable/c/19fa4f2a85d777a8052e869c1b892a2f7556569d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:08:52.972Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.8.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.9"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-27021","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-09T18:39:07.447646Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-05T17:22:46.428Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/53d986f39acd8ea11c9e460732bfa5add66360d9","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/19fa4f2a85d777a8052e869c1b892a2f7556569d","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T17:17:40.640Z"}}]}}}