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vuln-cve/data/2026/43xxx/CVE-2026-43343.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43343",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:56.003Z",
"datePublished": "2026-05-08T13:37:20.663Z",
"dateUpdated": "2026-05-11T22:22:44.192Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:22:44.192Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_subset: Fix unbalanced refcnt in geth_free\n\ngeth_alloc() increments the reference count, but geth_free() fails to\ndecrement it. This prevents the configuration of attributes via configfs\nafter unlinking the function.\n\nDecrement the reference count in geth_free() to ensure proper cleanup."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/usb/gadget/function/f_subset.c"
],
"versions": [
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "a932b171554714b1bca313b853c7aa9f2930f9aa",
"status": "affected",
"versionType": "git"
},
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "d7d702407b61e96286a15b6e715572f541a8d41c",
"status": "affected",
"versionType": "git"
},
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "3f5bfc550a40d7493b1cf09540ed6b412b3b82be",
"status": "affected",
"versionType": "git"
},
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "75776a055b656873319c3830fed471daef3ceb23",
"status": "affected",
"versionType": "git"
},
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "cc8ec610cd14c093a19371691a7ce1ee5421e829",
"status": "affected",
"versionType": "git"
},
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "3d436670b47415da042452618fb5d8e317ab095f",
"status": "affected",
"versionType": "git"
},
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "23e4851ce348a329d974e84e828155dda9f52122",
"status": "affected",
"versionType": "git"
},
{
"version": "02832e56f88a981474ee4c7c141f46fc1b4454f4",
"lessThan": "caa27923aacd8a5869207842f2ab1657c6c0c7bc",
"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/usb/gadget/function/f_subset.c"
],
"versions": [
{
"version": "3.11",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.11",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.253",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.203",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.168",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.134",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.81",
"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": "3.11",
"versionEndExcluding": "5.10.253"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.11",
"versionEndExcluding": "5.15.203"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.11",
"versionEndExcluding": "6.1.168"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.11",
"versionEndExcluding": "6.6.134"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.11",
"versionEndExcluding": "6.12.81"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.11",
"versionEndExcluding": "6.18.22"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.11",
"versionEndExcluding": "6.19.12"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.11",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/a932b171554714b1bca313b853c7aa9f2930f9aa"
},
{
"url": "https://git.kernel.org/stable/c/d7d702407b61e96286a15b6e715572f541a8d41c"
},
{
"url": "https://git.kernel.org/stable/c/3f5bfc550a40d7493b1cf09540ed6b412b3b82be"
},
{
"url": "https://git.kernel.org/stable/c/75776a055b656873319c3830fed471daef3ceb23"
},
{
"url": "https://git.kernel.org/stable/c/cc8ec610cd14c093a19371691a7ce1ee5421e829"
},
{
"url": "https://git.kernel.org/stable/c/3d436670b47415da042452618fb5d8e317ab095f"
},
{
"url": "https://git.kernel.org/stable/c/23e4851ce348a329d974e84e828155dda9f52122"
},
{
"url": "https://git.kernel.org/stable/c/caa27923aacd8a5869207842f2ab1657c6c0c7bc"
}
],
"title": "usb: gadget: f_subset: Fix unbalanced refcnt in geth_free",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}