CVE-2026-93177
Published: September 19, 2026Last modified: October 6, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in Vega10 lookup vddInd, vddciInd and mvddInd from VBIOS-parsed tables index into vddc, vddci and vddmem lookup tables without bounds checks across nine sites. Return -EINVAL when any index is out of range.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.3 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | LOW |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.189-r0) |
| 25 LTS | linux-lts | Fixed (6.12.111-r0) | |
| Stream | linux-lts | Fixed (6.18.53-r0) |
References
- https://git.kernel.org/stable/c/06aef6dcc1d52da5112cbcde39c062e493247ab5
- https://git.kernel.org/stable/c/206e478810d6af50b25d8da72e3af8d55a014365
- https://git.kernel.org/stable/c/25dedc13ceb9b6109c79c92a726ca4ca017c9eaa
- https://git.kernel.org/stable/c/46d27e56dbd6345b9c7b62b67ec57407bf3bf29a
- https://git.kernel.org/stable/c/6fa33f594e46e775a94097f71b486d7b006b6917
- https://git.kernel.org/stable/c/ae25c92d91f2cb90ede2b0eb0f58efa82ccc718b
- https://git.kernel.org/stable/c/b349dcf061a6dc8c6cef9a10530331ef2ff66c72
- https://git.kernel.org/stable/c/dfe89f1a0c7f40ef858b93881198f9728df956cf