CVE-2026-80736
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
thunderbolt: Fix bandwidth group reservation indexing
In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAX_GROUPS, while Group ID 0 is reserved. tb_consumed_dp_bandwidth() uses the Group ID directly to index its local group_reserved[] array. The array currently has MAX_GROUPS entries, so its valid indices are 0 through MAX_GROUPS - 1. Group ID MAX_GROUPS therefore accesses one element past the end, and the final group's reserved bandwidth is not included when the array is summed. Give group_reserved[] MAX_GROUPS + 1 entries so direct Group ID indexing covers the reserved ID 0 and valid IDs 1 through MAX_GROUPS.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 52a4490e89d7c4effe613d8dffd2ac0a2a786bd7 | affected | git | 0bfb67ba366cd68d1d0ad935760577bae1d5df27 | Unavailable | None listed |
| 52a4490e89d7c4effe613d8dffd2ac0a2a786bd7 | affected | git | 9977321835c7ae71d12a43bed7baa5bd514d01c3 | Unavailable | None listed |
| 52a4490e89d7c4effe613d8dffd2ac0a2a786bd7 | affected | git | 0a8c9ed4f166216642a8c084f0de415169c88088 | Unavailable | None listed |
| 52a4490e89d7c4effe613d8dffd2ac0a2a786bd7 | affected | git | d2ee4d47aacbd2ba456092eeec670dba35fde291 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.9 | Unavailable | None listed |
| 6.12.104 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.45 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.1.9 | unaffected | semver | Unavailable | 7.1.* | None listed |
| 7.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |