{"id":"CVE-2022-48784","state":"PUBLISHED","title":"cfg80211: fix race in netlink owner interface destruction","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncfg80211: fix race in netlink owner interface destruction\n\nMy previous fix here to fix the deadlock left a race where\nthe exact same deadlock (see the original commit referenced\nbelow) can still happen if cfg80211_destroy_ifaces() already\nruns while nl80211_netlink_notify() is still marking some\ninterfaces as nl_owner_dead.\n\nThe race happens because we have two loops here - first we\ndev_close() all the netdevs, and then we destroy them. If we\nalso have two netdevs (first one need only be a wdev though)\nthen we can find one during the first iteration, close it,\nand go to the second iteration -- but then find two, and try\nto destroy also the one we didn't close yet.\n\nFix this by only iterating once.","publishedAt":"2024-07-16T11:13:20.462Z","updatedAt":"2026-05-23T15:20:42.953Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ea6b2098dd02789f68770fd3d5a373732207be2f","status":"affected","lessThan":"241e633cb379c4f332fc1baf2abec95ec840cbeb","versionType":"git"},{"version":"ea6b2098dd02789f68770fd3d5a373732207be2f","status":"affected","lessThan":"c979f792a2baf6d0f3419587668a1a6eba46a3d2","versionType":"git"},{"version":"ea6b2098dd02789f68770fd3d5a373732207be2f","status":"affected","lessThan":"f0a6fd1527067da537e9c48390237488719948ed","versionType":"git"},{"version":"2e4f97122f3a9df870dfe9671994136448890768","status":"affected","versionType":"git"},{"version":"5.12.1","status":"affected","lessThan":"5.13","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.25","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.11","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/core.c"]}],"references":["https://git.kernel.org/stable/c/241e633cb379c4f332fc1baf2abec95ec840cbeb","https://git.kernel.org/stable/c/c979f792a2baf6d0f3419587668a1a6eba46a3d2","https://git.kernel.org/stable/c/f0a6fd1527067da537e9c48390237488719948ed"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48784.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48784","state":"PUBLISHED","datePublished":"2024-07-16T11:13:20.462Z","dateUpdated":"2026-05-23T15:20:42.953Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-06-20T11:09:39.068Z"},"containers":{"cna":{"title":"cfg80211: fix race in netlink owner interface destruction","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncfg80211: fix race in netlink owner interface destruction\n\nMy previous fix here to fix the deadlock left a race where\nthe exact same deadlock (see the original commit referenced\nbelow) can still happen if cfg80211_destroy_ifaces() already\nruns while nl80211_netlink_notify() is still marking some\ninterfaces as nl_owner_dead.\n\nThe race happens because we have two loops here - first we\ndev_close() all the netdevs, and then we destroy them. If we\nalso have two netdevs (first one need only be a wdev though)\nthen we can find one during the first iteration, close it,\nand go to the second iteration -- but then find two, and try\nto destroy also the one we didn't close yet.\n\nFix this by only iterating once."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ea6b2098dd02789f68770fd3d5a373732207be2f","status":"affected","lessThan":"241e633cb379c4f332fc1baf2abec95ec840cbeb","versionType":"git"},{"version":"ea6b2098dd02789f68770fd3d5a373732207be2f","status":"affected","lessThan":"c979f792a2baf6d0f3419587668a1a6eba46a3d2","versionType":"git"},{"version":"ea6b2098dd02789f68770fd3d5a373732207be2f","status":"affected","lessThan":"f0a6fd1527067da537e9c48390237488719948ed","versionType":"git"},{"version":"2e4f97122f3a9df870dfe9671994136448890768","status":"affected","versionType":"git"},{"version":"5.12.1","status":"affected","lessThan":"5.13","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.25","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.11","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/241e633cb379c4f332fc1baf2abec95ec840cbeb"},{"url":"https://git.kernel.org/stable/c/c979f792a2baf6d0f3419587668a1a6eba46a3d2"},{"url":"https://git.kernel.org/stable/c/f0a6fd1527067da537e9c48390237488719948ed"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:20:42.953Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.25"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.16.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/241e633cb379c4f332fc1baf2abec95ec840cbeb","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c979f792a2baf6d0f3419587668a1a6eba46a3d2","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f0a6fd1527067da537e9c48390237488719948ed","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T15:25:01.910Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48784","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T17:00:08.216328Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:34:16.695Z"}}]}}}