Bluetooth: btintel: validate DDC record lengths
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: validate DDC record lengths Parse DDC record lengths in unsigned storage so 0xFF does not wrap. Reject records smaller than the mandatory three-byte header, records exceeding U8_MAX, and records exceeding remaining firmware bytes before issuing Intel_Write_DDC. This issue was reported by Claude Mythos.
CVE-2026-98819
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-98819
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "7df748aa9f9ecab514e5989ed89c9ba35b6e5574",
"versionType": "git"
},
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "069031f569f1681f17e863f48c221a6091b47850",
"versionType": "git"
},
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "b0fce76873a5e6a6820354409b26693ac5f8b251",
"versionType": "git"
},
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "f3617369fbb30a4d2e54841ab8e92ca4fa211e56",
"versionType": "git"
},
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "c9c15d4d8956df8c564f7c210e4dc5b9b820d97a",
"versionType": "git"
}
],
"programFiles": [
"drivers/bluetooth/btintel.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.4"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.4",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.113",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.56",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.10",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/bluetooth/btintel.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98819
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #48990 · Revision 1
- Added to Heist Feed
- Publisher date