CVE-2026-93177

drm/amdgpu/pm/powerplay: bounds-check voltage index in Vega10 lookup

State: Published
Severity: 7.3 High
Published: Sep 17, 2026
Updated: Oct 19, 2026
Reserved: Sep 17, 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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	f83a9991648bb4023a53104db699e99305890d51 to before 206e478810d6af50b25d8da72e3af8d55a014365Affected f83a9991648bb4023a53104db699e99305890d51 to before 25dedc13ceb9b6109c79c92a726ca4ca017c9eaaAffected f83a9991648bb4023a53104db699e99305890d51 to before ae25c92d91f2cb90ede2b0eb0f58efa82ccc718bAffected f83a9991648bb4023a53104db699e99305890d51 to before b349dcf061a6dc8c6cef9a10530331ef2ff66c72Affected f83a9991648bb4023a53104db699e99305890d51 to before dfe89f1a0c7f40ef858b93881198f9728df956cfAffected f83a9991648bb4023a53104db699e99305890d51 to before 46d27e56dbd6345b9c7b62b67ec57407bf3bf29aAffected f83a9991648bb4023a53104db699e99305890d51 to before 06aef6dcc1d52da5112cbcde39c062e493247ab5Affected f83a9991648bb4023a53104db699e99305890d51 to before 6fa33f594e46e775a94097f71b486d7b006b6917Affected
LinuxLinux	4.12Affected before 4.12Not affected 5.10.270 through 5.10.Not affected 5.15.221 through 5.15.Not affected 6.1.188 through 6.1.Not affected 6.6.157 through 6.6.Not affected 6.12.110 through 6.12.Not affected 6.18.52 through 6.18.Not affected 7.2.6 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

f83a9991648bb4023a53104db699e99305890d51 to before 206e478810d6af50b25d8da72e3af8d55a014365Affected
f83a9991648bb4023a53104db699e99305890d51 to before 25dedc13ceb9b6109c79c92a726ca4ca017c9eaaAffected
f83a9991648bb4023a53104db699e99305890d51 to before ae25c92d91f2cb90ede2b0eb0f58efa82ccc718bAffected
f83a9991648bb4023a53104db699e99305890d51 to before b349dcf061a6dc8c6cef9a10530331ef2ff66c72Affected
f83a9991648bb4023a53104db699e99305890d51 to before dfe89f1a0c7f40ef858b93881198f9728df956cfAffected
f83a9991648bb4023a53104db699e99305890d51 to before 46d27e56dbd6345b9c7b62b67ec57407bf3bf29aAffected
f83a9991648bb4023a53104db699e99305890d51 to before 06aef6dcc1d52da5112cbcde39c062e493247ab5Affected
f83a9991648bb4023a53104db699e99305890d51 to before 6fa33f594e46e775a94097f71b486d7b006b6917Affected

LinuxLinux

4.12Affected
before 4.12Not affected
5.10.270 through 5.10.*Not affected
5.15.221 through 5.15.*Not affected
6.1.188 through 6.1.*Not affected
6.6.157 through 6.6.*Not affected
6.12.110 through 6.12.*Not affected
6.18.52 through 6.18.*Not affected
7.2.6 through 7.2.*Not affected
7.3 and laterNot affected

References

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