Bluetooth: btintel: validate DDC record lengths
Summary
| CVE | CVE-2026-98819 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-18 16:17:36 UTC |
| Updated | 2026-10-30 13:21:29 UTC |
| Description | 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. |
Risk And Classification
EPSS: 0.001840000 probability, percentile 0.080210000 (date 2026-11-01)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 780665bed305718a9fbb10e4aa4d5570d772c9f6 git | Not specified |
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 93f00db7441eec84a11029662f04b152386107a9 git | Not specified |
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 e65c8f4ca39959889fcaf9779c3adf1a421aeb8d git | Not specified |
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 7df748aa9f9ecab514e5989ed89c9ba35b6e5574 git | Not specified |
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 069031f569f1681f17e863f48c221a6091b47850 git | Not specified |
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 b0fce76873a5e6a6820354409b26693ac5f8b251 git | Not specified |
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 f3617369fbb30a4d2e54841ab8e92ca4fa211e56 git | Not specified |
| CNA | Linux | Linux | affected 145f2368c5fd7962e37315ccc092670743019d08 c9c15d4d8956df8c564f7c210e4dc5b9b820d97a git | Not specified |
| CNA | Linux | Linux | affected 4.4 | Not specified |
| CNA | Linux | Linux | unaffected 4.4 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.273 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.224 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.191 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.160 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.113 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.56 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2.10 7.2.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.3 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/e65c8f4ca39959889fcaf9779c3adf1a421aeb8d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/780665bed305718a9fbb10e4aa4d5570d772c9f6 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/93f00db7441eec84a11029662f04b152386107a9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/7df748aa9f9ecab514e5989ed89c9ba35b6e5574 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.