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vuln-cve/data/2026/31xxx/CVE-2026-31497.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-31497",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-03-09T15:48:24.102Z",
"datePublished": "2026-04-22T13:54:19.051Z",
"dateUpdated": "2026-11-05T21:45:02.895Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:09:53.017Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: clamp SCO altsetting table indices\n\nbtusb_work() maps the number of active SCO links to USB alternate\nsettings through a three-entry lookup table when CVSD traffic uses\ntransparent voice settings. The lookup currently indexes alts[] with\ndata->sco_num - 1 without first constraining sco_num to the number of\navailable table entries.\n\nWhile the table only defines alternate settings for up to three SCO\nlinks, data->sco_num comes from hci_conn_num() and is used directly.\nCap the lookup to the last table entry before indexing it so the\ndriver keeps selecting the highest supported alternate setting without\nreading past alts[]."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/bluetooth/btusb.c"
],
"versions": [
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "312c4450fe23014665c163f480edd5ad2e27bbb8",
"status": "affected",
"versionType": "git"
},
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "9dd13a8641de79bc1bc93da55cdd35259a002683",
"status": "affected",
"versionType": "git"
},
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "476c9262b430c38c6a701a3b8176a3f48689085b",
"status": "affected",
"versionType": "git"
},
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "6fba3c3d48c927e55611a0f5ea34da88138ed0ff",
"status": "affected",
"versionType": "git"
},
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "834cf890d2c3d29cbfa1ee2376c40469c28ec297",
"status": "affected",
"versionType": "git"
},
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "1019028eb124564cf7bca58a16f1df8a1ca30726",
"status": "affected",
"versionType": "git"
},
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "21c254202f9d78abe0fcd642a92966deb92bd226",
"status": "affected",
"versionType": "git"
},
{
"version": "baac6276c0a9f36f1fe1f00590ef00d2ba5ba626",
"lessThan": "129fa608b6ad08b8ab7178eeb2ec272c993aaccc",
"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/bluetooth/btusb.c"
],
"versions": [
{
"version": "5.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.8",
"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": "6.6.131",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.80",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.21",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.11",
"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": "5.8",
"versionEndExcluding": "5.10.253"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "5.15.203"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.1.168"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.6.131"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.12.80"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.18.21"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.19.11"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/312c4450fe23014665c163f480edd5ad2e27bbb8"
},
{
"url": "https://git.kernel.org/stable/c/9dd13a8641de79bc1bc93da55cdd35259a002683"
},
{
"url": "https://git.kernel.org/stable/c/476c9262b430c38c6a701a3b8176a3f48689085b"
},
{
"url": "https://git.kernel.org/stable/c/6fba3c3d48c927e55611a0f5ea34da88138ed0ff"
},
{
"url": "https://git.kernel.org/stable/c/834cf890d2c3d29cbfa1ee2376c40469c28ec297"
},
{
"url": "https://git.kernel.org/stable/c/1019028eb124564cf7bca58a16f1df8a1ca30726"
},
{
"url": "https://git.kernel.org/stable/c/21c254202f9d78abe0fcd642a92966deb92bd226"
},
{
"url": "https://git.kernel.org/stable/c/129fa608b6ad08b8ab7178eeb2ec272c993aaccc"
}
],
"title": "Bluetooth: btusb: clamp SCO altsetting table indices",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-31497",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T21:35:36.640404Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T21:45:02.895Z"
}
}
]
}
}