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CVE-2026-93177

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

HIGH
7.3
CVSS Score
Published: September 17, 2026 at 04:12 PM UTC
Updated: October 19, 2026 at 10:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.3
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
4.12f83a9991648bb4023a53104db699e99305890d51
Vendor states this is fixed in 06aef6dcc1d52da5112cbcde39c062e493247ab5 (fixed)
Vendor states this is fixed in 206e478810d6af50b25d8da72e3af8d55a014365 (fixed)
Vendor states this is fixed in 25dedc13ceb9b6109c79c92a726ca4ca017c9eaa (fixed)
Vendor states this is fixed in 46d27e56dbd6345b9c7b62b67ec57407bf3bf29a (fixed)
Vendor states this is fixed in 6fa33f594e46e775a94097f71b486d7b006b6917 (fixed)
Vendor states this is fixed in ae25c92d91f2cb90ede2b0eb0f58efa82ccc718b (fixed)
Vendor states this is fixed in b349dcf061a6dc8c6cef9a10530331ef2ff66c72 (fixed)
Vendor states this is fixed in dfe89f1a0c7f40ef858b93881198f9728df956cf (fixed)
Vendor states this is fixed in 4.12 (unaffected)
Vendor states this is fixed in 5.10.270 (unaffected)
Vendor states this is fixed in 5.15.221 (unaffected)
Vendor states this is fixed in 6.1.188 (unaffected)
Vendor states this is fixed in 6.12.110 (unaffected)
Vendor states this is fixed in 6.18.52 (unaffected)
Vendor states this is fixed in 6.6.157 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

Source: cverecord
https://git.kernel.org/stable/c/206e478810d6af50b25d8da72e3af8d55a014365
Source: cverecord
https://git.kernel.org/stable/c/25dedc13ceb9b6109c79c92a726ca4ca017c9eaa
Source: cverecord
https://git.kernel.org/stable/c/ae25c92d91f2cb90ede2b0eb0f58efa82ccc718b
Source: cverecord
https://git.kernel.org/stable/c/b349dcf061a6dc8c6cef9a10530331ef2ff66c72
Source: cverecord
https://git.kernel.org/stable/c/dfe89f1a0c7f40ef858b93881198f9728df956cf
Source: cverecord
https://git.kernel.org/stable/c/46d27e56dbd6345b9c7b62b67ec57407bf3bf29a
Source: cverecord
https://git.kernel.org/stable/c/06aef6dcc1d52da5112cbcde39c062e493247ab5
Source: cverecord
https://git.kernel.org/stable/c/6fa33f594e46e775a94097f71b486d7b006b6917

CVSS

7.3HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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