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vuln-cve/data/2025/40xxx/CVE-2025-40085.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-40085",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-04-16T07:20:57.161Z",
"datePublished": "2025-10-29T13:37:04.707Z",
"dateUpdated": "2026-05-23T16:01:24.342Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-23T16:01:24.342Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix NULL pointer deference in try_to_register_card\n\nIn try_to_register_card(), the return value of usb_ifnum_to_if() is\npassed directly to usb_interface_claimed() without a NULL check, which\nwill lead to a NULL pointer dereference when creating an invalid\nUSB audio device. Fix this by adding a check to ensure the interface\npointer is valid before passing it to usb_interface_claimed()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/usb/card.c"
],
"versions": [
{
"version": "28787ff9fbeaf57684eb64cc33e2ec8ceedf21b5",
"lessThan": "736159f7b296d7a95f7208eb4799639b1f8b16a0",
"status": "affected",
"versionType": "git"
},
{
"version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
"lessThan": "8d19a7ab28c7b9c207db5c5282afa8cc8595bcdb",
"status": "affected",
"versionType": "git"
},
{
"version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
"lessThan": "576312eb436326b44b7010f4d9ae2b698df075ea",
"status": "affected",
"versionType": "git"
},
{
"version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
"lessThan": "bba7208765d26e5e36b87f21dacc2780b064f41f",
"status": "affected",
"versionType": "git"
},
{
"version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
"lessThan": "8503ac1a62075a085402e42a386b5c627c821a51",
"status": "affected",
"versionType": "git"
},
{
"version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
"lessThan": "28412b489b088fb88dff488305fd4e56bd47f6e4",
"status": "affected",
"versionType": "git"
},
{
"version": "9d4f4dc3cd38e412c29a7626489fe48b79ebbf6c",
"status": "affected",
"versionType": "git"
},
{
"version": "52076a41c128146c9df4a157e972cb17019313b1",
"status": "affected",
"versionType": "git"
},
{
"version": "5.15.75",
"lessThan": "5.15.196",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.19.17",
"lessThan": "5.20",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.0.3",
"lessThan": "6.1",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/usb/card.c"
],
"versions": [
{
"version": "6.1",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.1",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.196",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.158",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.114",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.55",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.17.5",
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18",
"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": "5.15.75",
"versionEndExcluding": "5.15.196"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.1.158"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.6.114"
},
{
"vulnerable": true,
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"versionStartIncluding": "6.1",
"versionEndExcluding": "6.12.55"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.17.5"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.18"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19.17"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.0.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/736159f7b296d7a95f7208eb4799639b1f8b16a0"
},
{
"url": "https://git.kernel.org/stable/c/8d19a7ab28c7b9c207db5c5282afa8cc8595bcdb"
},
{
"url": "https://git.kernel.org/stable/c/576312eb436326b44b7010f4d9ae2b698df075ea"
},
{
"url": "https://git.kernel.org/stable/c/bba7208765d26e5e36b87f21dacc2780b064f41f"
},
{
"url": "https://git.kernel.org/stable/c/8503ac1a62075a085402e42a386b5c627c821a51"
},
{
"url": "https://git.kernel.org/stable/c/28412b489b088fb88dff488305fd4e56bd47f6e4"
}
],
"title": "ALSA: usb-audio: Fix NULL pointer deference in try_to_register_card",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}