{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47251", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-04-10T18:59:19.537Z", "datePublished": "2024-05-21T14:19:47.534Z", "dateUpdated": "2026-05-11T13:50:53.007Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:50:53.007Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: fix skb length check in ieee80211_scan_rx()\n\nReplace hard-coded compile-time constants for header length check\nwith dynamic determination based on the frame type. Otherwise, we\nhit a validation WARN_ON in cfg80211 later.\n\n[style fixes, reword commit message]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/mac80211/scan.c" ], "versions": [ { "version": "cd418ba63f0c2f6157f35a41c9accc6ecb52590a", "lessThan": "5a1cd67a801cf5ef989c4783e07b86a25b143126", "status": "affected", "versionType": "git" }, { "version": "cd418ba63f0c2f6157f35a41c9accc6ecb52590a", "lessThan": "d1b949c70206178b12027f66edc088d40375b5cb", "status": "affected", "versionType": "git" }, { "version": "cd418ba63f0c2f6157f35a41c9accc6ecb52590a", "lessThan": "e298aa358f0ca658406d524b6639fe389cb6e11e", "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/scan.c" ], "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.46", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.13", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "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": "5.10.46" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.12.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126" }, { "url": "https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb" }, { "url": "https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e" } ], "title": "mac80211: fix skb length check in ieee80211_scan_rx()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47251", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-21T18:50:58.000739Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:15:18.474Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:08.012Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e", "tags": [ "x_transferred" ] } ] } ] } }