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vuln-cve/data/2026/43xxx/CVE-2026-43255.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43255",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:55.996Z",
"datePublished": "2026-05-06T11:28:44.522Z",
"dateUpdated": "2026-11-06T15:32:37.530Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:21:00.707Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: fix WARNING in usb_tx_block\n\nThe function usb_tx_block() submits cardp->tx_urb without ensuring that\nany previous transmission on this URB has completed. If a second call\noccurs while the URB is still active (e.g. during rapid firmware loading),\nusb_submit_urb() detects the active state and triggers a warning:\n'URB submitted while active'.\n\nFix this by enforcing serialization: call usb_kill_urb() before\nsubmitting the new request. This ensures the URB is idle and safe to reuse."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/wireless/marvell/libertas/if_usb.c"
],
"versions": [
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "498525d8358d6d20918787e59736d5b6a021e9fd",
"status": "affected",
"versionType": "git"
},
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "2902a9b4415a6bafc9b1e5dd360f065d757a0bb7",
"status": "affected",
"versionType": "git"
},
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "948a39c95d0f8d73722910f8cdb7b6e3e9206232",
"status": "affected",
"versionType": "git"
},
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "5bfb25495e391a1be0db94b15715174fa06b93a1",
"status": "affected",
"versionType": "git"
},
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "b82073564373e68c6ae3a96039fae14cd002a496",
"status": "affected",
"versionType": "git"
},
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "3308c7504e093b22e91a4468470309cee2e26b83",
"status": "affected",
"versionType": "git"
},
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "fc188b44547dea4e7350833171982a6312befde9",
"status": "affected",
"versionType": "git"
},
{
"version": "876c9d3aeb989cf1961f2c228d309ba5dcfb1172",
"lessThan": "d66676e6ca96bf8680f869a9bd6573b26c634622",
"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/wireless/marvell/libertas/if_usb.c"
],
"versions": [
{
"version": "2.6.22",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.22",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.252",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.202",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.165",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.128",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.75",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.16",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.6",
"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": "2.6.22",
"versionEndExcluding": "5.10.252"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "5.15.202"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "6.1.165"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "6.6.128"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "6.12.75"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "6.18.16"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "6.19.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/498525d8358d6d20918787e59736d5b6a021e9fd"
},
{
"url": "https://git.kernel.org/stable/c/2902a9b4415a6bafc9b1e5dd360f065d757a0bb7"
},
{
"url": "https://git.kernel.org/stable/c/948a39c95d0f8d73722910f8cdb7b6e3e9206232"
},
{
"url": "https://git.kernel.org/stable/c/5bfb25495e391a1be0db94b15715174fa06b93a1"
},
{
"url": "https://git.kernel.org/stable/c/b82073564373e68c6ae3a96039fae14cd002a496"
},
{
"url": "https://git.kernel.org/stable/c/3308c7504e093b22e91a4468470309cee2e26b83"
},
{
"url": "https://git.kernel.org/stable/c/fc188b44547dea4e7350833171982a6312befde9"
},
{
"url": "https://git.kernel.org/stable/c/d66676e6ca96bf8680f869a9bd6573b26c634622"
}
],
"title": "wifi: libertas: fix WARNING in usb_tx_block",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-43255",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:31:33.518669Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:32:37.530Z"
}
}
]
}
}