{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47091", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-29T22:33:44.300Z", "datePublished": "2024-03-04T18:10:31.390Z", "dateUpdated": "2026-05-11T13:47:52.309Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:47:52.309Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: fix locking in ieee80211_start_ap error path\n\nWe need to hold the local->mtx to release the channel context,\nas even encoded by the lockdep_assert_held() there. Fix it." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/mac80211/cfg.c" ], "versions": [ { "version": "295b02c4be74bebf988593b8322369513fcecf68", "lessThan": "ac61b9c6c0549aaeb98194cf429d93c41bfe5f79", "status": "affected", "versionType": "git" }, { "version": "295b02c4be74bebf988593b8322369513fcecf68", "lessThan": "c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f", "status": "affected", "versionType": "git" }, { "version": "295b02c4be74bebf988593b8322369513fcecf68", "lessThan": "87a270625a89fc841f1a7e21aae6176543d8385c", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/mac80211/cfg.c" ], "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.89", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.12", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16", "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": "5.10", "versionEndExcluding": "5.10.89" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79" }, { "url": "https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f" }, { "url": "https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c" } ], "title": "mac80211: fix locking in ieee80211_start_ap error path", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47091", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-04T19:39:17.212156Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T17:22:07.060Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.957Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c", "tags": [ "x_transferred" ] } ] } ] } }