{"id":"CVE-2021-46949","state":"PUBLISHED","title":"sfc: farch: fix TX queue lookup in TX flush done handling","description":"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).","publishedAt":"2024-02-27T18:40:33.496Z","updatedAt":"2026-05-11T13:45:00.531Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"12804793b17c0e19115a90d98f2f3df0cb79e233","status":"affected","lessThan":"fb791572d6747ef385f628450f8d57cd132e6e5a","versionType":"git"},{"version":"12804793b17c0e19115a90d98f2f3df0cb79e233","status":"affected","lessThan":"a1570985ec04116cc665b760faf666a104154170","versionType":"git"},{"version":"12804793b17c0e19115a90d98f2f3df0cb79e233","status":"affected","lessThan":"98d91180748986bfb6dfb3e72765f3225719a647","versionType":"git"},{"version":"12804793b17c0e19115a90d98f2f3df0cb79e233","status":"affected","lessThan":"5b1faa92289b53cad654123ed2bc8e10f6ddd4ac","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/sfc/farch.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.36","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.11.20","status":"unaffected","lessThanOrEqual":"5.11.*","versionType":"semver"},{"version":"5.12.3","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/sfc/farch.c"]}],"references":["https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a","https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170","https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647","https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:16.371Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/46xxx/CVE-2021-46949.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-46949","state":"PUBLISHED","datePublished":"2024-02-27T18:40:33.496Z","dateUpdated":"2026-05-11T13:45:00.531Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-25T13:45:52.722Z"},"containers":{"cna":{"title":"sfc: 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