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vuln-cve/data/2026/43xxx/CVE-2026-43034.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43034",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:55.977Z",
"datePublished": "2026-05-01T14:15:33.260Z",
"dateUpdated": "2026-11-06T15:32:27.304Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-21T12:39:53.398Z"
},
"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."
}
],
"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": "6a4d0774f02d61f8c75ffe2e38a8553410fe52e9",
"lessThan": "c66a27ca534580de1d28cf568f59fe5f50d43e15",
"status": "affected",
"versionType": "git"
},
{
"version": "6a4d0774f02d61f8c75ffe2e38a8553410fe52e9",
"lessThan": "c8d53b70166d1dc463ef42adb7293e1a770822c7",
"status": "affected",
"versionType": "git"
},
{
"version": "6a4d0774f02d61f8c75ffe2e38a8553410fe52e9",
"lessThan": "29732b68a6816a815d58e9ab229844c23617e1e0",
"status": "affected",
"versionType": "git"
},
{
"version": "6a4d0774f02d61f8c75ffe2e38a8553410fe52e9",
"lessThan": "4ee937107d52f9e5c350e4b5e629760e328b3d9f",
"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/broadcom/bnxt/bnxt.c"
],
"versions": [
{
"version": "6.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.8",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.114",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.22",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.12",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"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": "6.8",
"versionEndExcluding": "6.12.114"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "6.18.22"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "6.19.12"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/c66a27ca534580de1d28cf568f59fe5f50d43e15"
},
{
"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"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-43034",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:26:40.782752Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:32:27.304Z"
}
}
]
}
}