{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-46949", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-25T13:45:52.722Z", "datePublished": "2024-02-27T18:40:33.496Z", "dateUpdated": "2026-05-11T13:45:00.531Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:45:00.531Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsfc: farch: fix TX queue lookup in TX flush done handling\n\nWe're starting from a TXQ instance number ('qid'), not a TXQ type, so\n efx_get_tx_queue() is inappropriate (and could return NULL, leading\n to panics)." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/sfc/farch.c" ], "versions": [ { "version": "12804793b17c0e19115a90d98f2f3df0cb79e233", "lessThan": "fb791572d6747ef385f628450f8d57cd132e6e5a", "status": "affected", "versionType": "git" }, { "version": "12804793b17c0e19115a90d98f2f3df0cb79e233", "lessThan": "a1570985ec04116cc665b760faf666a104154170", "status": "affected", "versionType": "git" }, { "version": "12804793b17c0e19115a90d98f2f3df0cb79e233", "lessThan": "98d91180748986bfb6dfb3e72765f3225719a647", "status": "affected", "versionType": "git" }, { "version": "12804793b17c0e19115a90d98f2f3df0cb79e233", "lessThan": "5b1faa92289b53cad654123ed2bc8e10f6ddd4ac", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/sfc/farch.c" ], "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.36", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.20", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.3", "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": "5.10.36" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.11.20" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.12.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a" }, { "url": "https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170" }, { "url": "https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647" }, { "url": "https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac" } ], "title": "sfc: farch: fix TX queue lookup in TX flush done handling", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:43.114Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-46949", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:01:44.425098Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:51.049Z" } } ] } }