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.
References8
- git.kernel.org/stable/c/06aef6dcc1d52da5112cbcde39c062e493247ab5
- git.kernel.org/stable/c/206e478810d6af50b25d8da72e3af8d55a014365
- git.kernel.org/stable/c/25dedc13ceb9b6109c79c92a726ca4ca017c9eaa
- git.kernel.org/stable/c/46d27e56dbd6345b9c7b62b67ec57407bf3bf29a
- git.kernel.org/stable/c/6fa33f594e46e775a94097f71b486d7b006b6917
- git.kernel.org/stable/c/ae25c92d91f2cb90ede2b0eb0f58efa82ccc718b
- git.kernel.org/stable/c/b349dcf061a6dc8c6cef9a10530331ef2ff66c72
- git.kernel.org/stable/c/dfe89f1a0c7f40ef858b93881198f9728df956cf
Metrics
- CVSS 3.1
-
7.3
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H - EPSS — exploit probability
- 0% percentile: 6 · as of 8 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.