{"id":"CVE-2023-53071","state":"PUBLISHED","title":"wifi: mt76: do not run mt76_unregister_device() on unregistered hw","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: do not run mt76_unregister_device() on unregistered hw\n\nTrying to probe a mt7921e pci card without firmware results in a\nsuccessful probe where ieee80211_register_hw hasn't been called. When\nremoving the driver, ieee802111_unregister_hw is called unconditionally\nleading to a kernel NULL pointer dereference.\nFix the issue running mt76_unregister_device routine just for registered\nhw.","publishedAt":"2025-05-02T15:55:23.130Z","updatedAt":"2026-05-11T19:37:59.171Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1c71e03afe4b457a15e50de40006b927dfc00755","status":"affected","lessThan":"dffe86df26aee01a5fc56a175b7a7f157961e370","versionType":"git"},{"version":"1c71e03afe4b457a15e50de40006b927dfc00755","status":"affected","lessThan":"2d34f27714c97a9786a30b3bb54944d6d8ed612f","versionType":"git"},{"version":"1c71e03afe4b457a15e50de40006b927dfc00755","status":"affected","lessThan":"41130c32f3a18fcc930316da17f3a5f3bc326aa1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mac80211.c","drivers/net/wireless/mediatek/mt76/mt76.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.113","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mac80211.c","drivers/net/wireless/mediatek/mt76/mt76.h"]}],"references":["https://git.kernel.org/stable/c/dffe86df26aee01a5fc56a175b7a7f157961e370","https://git.kernel.org/stable/c/2d34f27714c97a9786a30b3bb54944d6d8ed612f","https://git.kernel.org/stable/c/41130c32f3a18fcc930316da17f3a5f3bc326aa1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53071.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53071","state":"PUBLISHED","datePublished":"2025-05-02T15:55:23.130Z","dateUpdated":"2026-05-11T19:37:59.171Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-05-02T15:51:43.548Z"},"containers":{"cna":{"title":"wifi: mt76: do not run mt76_unregister_device() on unregistered hw","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: do not run mt76_unregister_device() on unregistered hw\n\nTrying to probe a mt7921e pci card without firmware results in a\nsuccessful probe where ieee80211_register_hw hasn't been called. When\nremoving the driver, ieee802111_unregister_hw is called unconditionally\nleading to a kernel NULL pointer dereference.\nFix the issue running mt76_unregister_device routine just for registered\nhw."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1c71e03afe4b457a15e50de40006b927dfc00755","status":"affected","lessThan":"dffe86df26aee01a5fc56a175b7a7f157961e370","versionType":"git"},{"version":"1c71e03afe4b457a15e50de40006b927dfc00755","status":"affected","lessThan":"2d34f27714c97a9786a30b3bb54944d6d8ed612f","versionType":"git"},{"version":"1c71e03afe4b457a15e50de40006b927dfc00755","status":"affected","lessThan":"41130c32f3a18fcc930316da17f3a5f3bc326aa1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mac80211.c","drivers/net/wireless/mediatek/mt76/mt76.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.113","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mac80211.c","drivers/net/wireless/mediatek/mt76/mt76.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/dffe86df26aee01a5fc56a175b7a7f157961e370"},{"url":"https://git.kernel.org/stable/c/2d34f27714c97a9786a30b3bb54944d6d8ed612f"},{"url":"https://git.kernel.org/stable/c/41130c32f3a18fcc930316da17f3a5f3bc326aa1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:37:59.171Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}