Bluetooth: hci_event: validate LE Set CIG Parameters response
Summary
| CVE | CVE-2026-80763 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-04 16:18:01 UTC |
| Updated | 2026-09-04 16:18:01 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hci_cc_le_set_cig_params() trusts num_handles and reads each entry in the trailing handle array. Matching num_handles against the command's num_cis does not guarantee that the response contains the advertised handles. A truncated response from a malfunctioning controller can therefore make the handler read beyond the skb data. Validate that the remaining skb data contains all advertised handles. Include this in the existing response validation so malformed responses also follow the established CIG failure handling. |
Risk And Classification
EPSS: 0.001730000 probability, percentile 0.068240000 (date 2026-09-07)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 26afbd826ee326e63a334c37fd45e82e50a615ec 9e05783d0bb96a7b853cc058a7c7de2dc4a62154 git | Not specified |
| CNA | Linux | Linux | affected 26afbd826ee326e63a334c37fd45e82e50a615ec 26741d178f31932c9018b36b7953e6dc391436a4 git | Not specified |
| CNA | Linux | Linux | affected 26afbd826ee326e63a334c37fd45e82e50a615ec a34df5c4a439cfc04565fa5be608ed1e53134f1f git | Not specified |
| CNA | Linux | Linux | affected 26afbd826ee326e63a334c37fd45e82e50a615ec e3f82e8f2a5915f533b57a065e9a045aa2ee03bc git | Not specified |
| CNA | Linux | Linux | affected 26afbd826ee326e63a334c37fd45e82e50a615ec d83ecb7b96105d932dabaa56ccd7418c25fb7cbb git | Not specified |
| CNA | Linux | Linux | affected 26afbd826ee326e63a334c37fd45e82e50a615ec 6fc540e835dddb518cef3ff522b780f701cd03df git | Not specified |
| CNA | Linux | Linux | affected 26afbd826ee326e63a334c37fd45e82e50a615ec 0acd4eeb4b225b9bebbf9ef96cc10cdd79b94899 git | Not specified |
| CNA | Linux | Linux | affected 6.0 | Not specified |
| CNA | Linux | Linux | unaffected 6.0 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.187 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.154 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.106 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.47 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.11 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2.1 7.2.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.3-rc1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/0acd4eeb4b225b9bebbf9ef96cc10cdd79b94899 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a34df5c4a439cfc04565fa5be608ed1e53134f1f | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d83ecb7b96105d932dabaa56ccd7418c25fb7cbb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/26741d178f31932c9018b36b7953e6dc391436a4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/6fc540e835dddb518cef3ff522b780f701cd03df | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9e05783d0bb96a7b853cc058a7c7de2dc4a62154 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e3f82e8f2a5915f533b57a065e9a045aa2ee03bc | 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.