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vuln-cve/data/2026/43xxx/CVE-2026-43440.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43440",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:56.009Z",
"datePublished": "2026-05-08T14:22:09.334Z",
"dateUpdated": "2026-11-06T15:42:54.226Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:24:37.924Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mana: Null service_wq on setup error to prevent double destroy\n\nIn mana_gd_setup() error path, set gc->service_wq to NULL after\ndestroy_workqueue() to match the cleanup in mana_gd_cleanup().\nThis prevents a use-after-free if the workqueue pointer is checked\nafter a failed setup."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/microsoft/mana/gdma_main.c"
],
"versions": [
{
"version": "fa3c2f8d9152344a478abb847081c1b5f84a94f5",
"lessThan": "59489ce60d7412ed82fb1d8002faa3102dcd4916",
"status": "affected",
"versionType": "git"
},
{
"version": "a9a7c3203fdc4d4a8d8a7a3b1ed05d2bb4c6e77e",
"lessThan": "6c92392602b451e3869f15ab685f8f650e942b13",
"status": "affected",
"versionType": "git"
},
{
"version": "f975a0955276579e2176a134366ed586071c7c6a",
"lessThan": "87c2302813abc55c46485711a678e3c312b00666",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/microsoft/mana/gdma_main.c"
],
"versions": [
{
"version": "6.18.16",
"lessThan": "6.18.19",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.19.6",
"lessThan": "6.19.9",
"status": "affected",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.18.16",
"versionEndExcluding": "6.18.19"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.19.6",
"versionEndExcluding": "6.19.9"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916"
},
{
"url": "https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13"
},
{
"url": "https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666"
}
],
"title": "net/mana: Null service_wq on setup error to prevent double destroy",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-43440",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:38:48.023258Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:42:54.226Z"
}
}
]
}
}