CVE-2021-47091
Vulnerability from cvelistv5
Published
2024-03-04 18:10
Modified
2024-11-04 11:59
Severity ?
EPSS score ?
Summary
mac80211: fix locking in ieee80211_start_ap error path
References
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2021-47091", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-03-04T19:39:17.212156Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-07-05T17:22:07.060Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2024-08-04T05:24:39.957Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "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" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "net/mac80211/cfg.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "ac61b9c6c054", "status": "affected", "version": "295b02c4be74", "versionType": "git" }, { "lessThan": "c1d1ec4db5f7", "status": "affected", "version": "295b02c4be74", "versionType": "git" }, { "lessThan": "87a270625a89", "status": "affected", "version": "295b02c4be74", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "net/mac80211/cfg.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "5.10" }, { "lessThan": "5.10", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.89", "versionType": "semver" }, { "lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.12", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix" } ] } ], "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-\u003emtx to release the channel context,\nas even encoded by the lockdep_assert_held() there. Fix it." } ], "providerMetadata": { "dateUpdated": "2024-11-04T11:59:13.903Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "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-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-47091", "datePublished": "2024-03-04T18:10:31.390Z", "dateReserved": "2024-02-29T22:33:44.300Z", "dateUpdated": "2024-11-04T11:59:13.903Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-47091\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-04T18:15:07.670\",\"lastModified\":\"2024-03-05T13:41:01.900\",\"vulnStatus\":\"Awaiting Analysis\",\"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-\u003emtx to release the channel context,\\nas even encoded by the lockdep_assert_held() there. Fix it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mac80211: corrige el bloqueo en la ruta de error ieee80211_start_ap Necesitamos mantener local-\u0026gt;mtx para liberar el contexto del canal, incluso codificado por lockdep_assert_held() all\u00ed. Arreglalo.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.