{"api_version":"1","generated_at":"2026-05-02T14:07:21+00:00","cve":"CVE-2026-43034","urls":{"html":"https://cve.report/CVE-2026-43034","api":"https://cve.report/api/cve/CVE-2026-43034.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43034","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43034"},"summary":{"title":"bnxt_en: set backing store type from query type","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: set backing store type from query type\n\nbnxt_hwrm_func_backing_store_qcaps_v2() stores resp->type from the\nfirmware response in ctxm->type and later uses that value to index\nfixed backing-store metadata arrays such as ctx_arr[] and\nbnxt_bstore_to_trace[].\n\nctxm->type is fixed by the current backing-store query type and matches\nthe array index of ctx->ctx_arr. Set ctxm->type from the current loop\nvariable instead of depending on resp->type.\n\nAlso update the loop to advance type from next_valid_type in the for\nstatement, which keeps the control flow simpler for non-valid and\nunchanged entries.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-01 15:16:48","updated_at":"2026-05-01 15:24:14"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c8d53b70166d1dc463ef42adb7293e1a770822c7","name":"https://git.kernel.org/stable/c/c8d53b70166d1dc463ef42adb7293e1a770822c7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4ee937107d52f9e5c350e4b5e629760e328b3d9f","name":"https://git.kernel.org/stable/c/4ee937107d52f9e5c350e4b5e629760e328b3d9f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/29732b68a6816a815d58e9ab229844c23617e1e0","name":"https://git.kernel.org/stable/c/29732b68a6816a815d58e9ab229844c23617e1e0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43034","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43034","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6a4d0774f02d61f8c75ffe2e38a8553410fe52e9 c8d53b70166d1dc463ef42adb7293e1a770822c7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6a4d0774f02d61f8c75ffe2e38a8553410fe52e9 29732b68a6816a815d58e9ab229844c23617e1e0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6a4d0774f02d61f8c75ffe2e38a8553410fe52e9 4ee937107d52f9e5c350e4b5e629760e328b3d9f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.22 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.12 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c8d53b70166d1dc463ef42adb7293e1a770822c7","status":"affected","version":"6a4d0774f02d61f8c75ffe2e38a8553410fe52e9","versionType":"git"},{"lessThan":"29732b68a6816a815d58e9ab229844c23617e1e0","status":"affected","version":"6a4d0774f02d61f8c75ffe2e38a8553410fe52e9","versionType":"git"},{"lessThan":"4ee937107d52f9e5c350e4b5e629760e328b3d9f","status":"affected","version":"6a4d0774f02d61f8c75ffe2e38a8553410fe52e9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.22","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.12","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: set backing store type from query type\n\nbnxt_hwrm_func_backing_store_qcaps_v2() stores resp->type from the\nfirmware response in ctxm->type and later uses that value to index\nfixed backing-store metadata arrays such as ctx_arr[] and\nbnxt_bstore_to_trace[].\n\nctxm->type is fixed by the current backing-store query type and matches\nthe array index of ctx->ctx_arr. Set ctxm->type from the current loop\nvariable instead of depending on resp->type.\n\nAlso update the loop to advance type from next_valid_type in the for\nstatement, which keeps the control flow simpler for non-valid and\nunchanged entries."}],"providerMetadata":{"dateUpdated":"2026-05-01T14:15:33.260Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c8d53b70166d1dc463ef42adb7293e1a770822c7"},{"url":"https://git.kernel.org/stable/c/29732b68a6816a815d58e9ab229844c23617e1e0"},{"url":"https://git.kernel.org/stable/c/4ee937107d52f9e5c350e4b5e629760e328b3d9f"}],"title":"bnxt_en: set backing store type from query type","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43034","datePublished":"2026-05-01T14:15:33.260Z","dateReserved":"2026-05-01T14:12:55.977Z","dateUpdated":"2026-05-01T14:15:33.260Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-01 15:16:48","lastModifiedDate":"2026-05-01 15:24:14","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43034","Ordinal":"1","Title":"bnxt_en: set backing store type from query type","CVE":"CVE-2026-43034","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43034","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: set backing store type from query type\n\nbnxt_hwrm_func_backing_store_qcaps_v2() stores resp->type from the\nfirmware response in ctxm->type and later uses that value to index\nfixed backing-store metadata arrays such as ctx_arr[] and\nbnxt_bstore_to_trace[].\n\nctxm->type is fixed by the current backing-store query type and matches\nthe array index of ctx->ctx_arr. Set ctxm->type from the current loop\nvariable instead of depending on resp->type.\n\nAlso update the loop to advance type from next_valid_type in the for\nstatement, which keeps the control flow simpler for non-valid and\nunchanged entries.","Type":"Description","Title":"bnxt_en: set backing store type from query type"}]}}}