{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47015", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.953Z", "datePublished": "2024-02-28T08:13:32.135Z", "dateUpdated": "2026-05-23T15:19:05.239Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:19:05.239Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix RX consumer index logic in the error path.\n\nIn bnxt_rx_pkt(), the RX buffers are expected to complete in order.\nIf the RX consumer index indicates an out of order buffer completion,\nit means we are hitting a hardware bug and the driver will abort all\nremaining RX packets and reset the RX ring. The RX consumer index\nthat we pass to bnxt_discard_rx() is not correct. We should be\npassing the current index (tmp_raw_cons) instead of the old index\n(raw_cons). This bug can cause us to be at the wrong index when\ntrying to abort the next RX packet. It can crash like this:\n\n #0 [ffff9bbcdf5c39a8] machine_kexec at ffffffff9b05e007\n #1 [ffff9bbcdf5c3a00] __crash_kexec at ffffffff9b111232\n #2 [ffff9bbcdf5c3ad0] panic at ffffffff9b07d61e\n #3 [ffff9bbcdf5c3b50] oops_end at ffffffff9b030978\n #4 [ffff9bbcdf5c3b78] no_context at ffffffff9b06aaf0\n #5 [ffff9bbcdf5c3bd8] __bad_area_nosemaphore at ffffffff9b06ae2e\n #6 [ffff9bbcdf5c3c28] bad_area_nosemaphore at ffffffff9b06af24\n #7 [ffff9bbcdf5c3c38] __do_page_fault at ffffffff9b06b67e\n #8 [ffff9bbcdf5c3cb0] do_page_fault at ffffffff9b06bb12\n #9 [ffff9bbcdf5c3ce0] page_fault at ffffffff9bc015c5\n [exception RIP: bnxt_rx_pkt+237]\n RIP: ffffffffc0259cdd RSP: ffff9bbcdf5c3d98 RFLAGS: 00010213\n RAX: 000000005dd8097f RBX: ffff9ba4cb11b7e0 RCX: ffffa923cf6e9000\n RDX: 0000000000000fff RSI: 0000000000000627 RDI: 0000000000001000\n RBP: ffff9bbcdf5c3e60 R8: 0000000000420003 R9: 000000000000020d\n R10: ffffa923cf6ec138 R11: ffff9bbcdf5c3e83 R12: ffff9ba4d6f928c0\n R13: ffff9ba4cac28080 R14: ffff9ba4cb11b7f0 R15: ffff9ba4d5a30000\n ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/broadcom/bnxt/bnxt.c" ], "versions": [ { "version": "a1b0e4e684e9c300b9e759b46cb7a0147e61ddff", "lessThan": "b1523e4ba293b2a32d9fabaf70c1dcaa6e3e2847", "status": "affected", "versionType": "git" }, { "version": "a1b0e4e684e9c300b9e759b46cb7a0147e61ddff", "lessThan": "4fcaad2b7dac3f16704f8118c7e481024ddbd3ed", "status": "affected", "versionType": "git" }, { "version": "a1b0e4e684e9c300b9e759b46cb7a0147e61ddff", "lessThan": "e187ef83c04a5d23e68d39cfdff1a1931e29890c", "status": "affected", "versionType": "git" }, { "version": "a1b0e4e684e9c300b9e759b46cb7a0147e61ddff", "lessThan": "3fbc5bc651d688fbea2a59cdc91520a2f5334d0a", "status": "affected", "versionType": "git" }, { "version": "a1b0e4e684e9c300b9e759b46cb7a0147e61ddff", "lessThan": "bbd6f0a948139970f4a615dff189d9a503681a39", "status": "affected", "versionType": "git" }, { "version": "8e302e8e10b05165ed21273539a1e6a83ab93e9e", "status": "affected", "versionType": "git" }, { "version": "46281ee85b651b0df686001651b965d17b8e2c67", "status": "affected", "versionType": "git" }, { "version": "d2d055a554036b0240f296743942b8111fd4ce97", "status": "affected", "versionType": "git" }, { "version": "aecbbae850ede49183fa0b73c7445531a47669cf", "status": "affected", "versionType": "git" }, { "version": "4.9.169", "lessThan": "4.10", "status": "affected", "versionType": "semver" }, { "version": "4.14.112", "lessThan": "4.15", "status": "affected", "versionType": "semver" }, { "version": "4.19.35", "lessThan": "4.20", "status": "affected", "versionType": "semver" }, { "version": "5.0.8", "lessThan": "5.1", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/broadcom/bnxt/bnxt.c" ], "versions": [ { "version": "5.1", "status": "affected" }, { "version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.119", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.37", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.21", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.4", "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": "5.1", "versionEndExcluding": "5.4.119" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.10.37" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.11.21" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.12.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.169" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.112" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.35" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0.8" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/b1523e4ba293b2a32d9fabaf70c1dcaa6e3e2847" }, { "url": "https://git.kernel.org/stable/c/4fcaad2b7dac3f16704f8118c7e481024ddbd3ed" }, { "url": "https://git.kernel.org/stable/c/e187ef83c04a5d23e68d39cfdff1a1931e29890c" }, { "url": "https://git.kernel.org/stable/c/3fbc5bc651d688fbea2a59cdc91520a2f5334d0a" }, { "url": "https://git.kernel.org/stable/c/bbd6f0a948139970f4a615dff189d9a503681a39" } ], "title": "bnxt_en: Fix RX consumer index logic in the error path.", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47015", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-02-28T19:16:01.961678Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:23.299Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.682Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/b1523e4ba293b2a32d9fabaf70c1dcaa6e3e2847", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/4fcaad2b7dac3f16704f8118c7e481024ddbd3ed", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e187ef83c04a5d23e68d39cfdff1a1931e29890c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3fbc5bc651d688fbea2a59cdc91520a2f5334d0a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bbd6f0a948139970f4a615dff189d9a503681a39", "tags": [ "x_transferred" ] } ] } ] } }