{"id":"CVE-2021-47501","state":"PUBLISHED","title":"i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix NULL pointer dereference in i40e_dbg_dump_desc\n\nWhen trying to dump VFs VSI RX/TX descriptors\nusing debugfs there was a crash\ndue to NULL pointer dereference in i40e_dbg_dump_desc.\nAdded a check to i40e_dbg_dump_desc that checks if\nVSI type is correct for dumping RX/TX descriptors.","publishedAt":"2024-05-24T15:01:49.040Z","updatedAt":"2026-05-11T13:55:52.335Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"02e9c290814cc143ceccecb14eac3e7a05da745e","status":"affected","lessThan":"e5b7fb2198abc50058f1a29c395b004f76ab1c83","versionType":"git"},{"version":"02e9c290814cc143ceccecb14eac3e7a05da745e","status":"affected","lessThan":"16431e442db248ecd8aa9457cf0a656f1885f56e","versionType":"git"},{"version":"02e9c290814cc143ceccecb14eac3e7a05da745e","status":"affected","lessThan":"23ec111bf3549aae37140330c31a16abfc172421","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/i40e/i40e_debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"5.10.85","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.8","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16","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/intel/i40e/i40e_debugfs.c"]}],"references":["https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83","https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e","https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47501.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47501","state":"PUBLISHED","datePublished":"2024-05-24T15:01:49.040Z","dateUpdated":"2026-05-11T13:55:52.335Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-22T06:20:56.204Z"},"containers":{"cna":{"title":"i40e: 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