What’s Vulnerable › Vulnerabilities

CVE-2026-93177: drm/amdgpu/pm/powerplay: bounds-check voltage index in Vega10 lookup

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-10-19

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 products

• Linux kernel: 4.12 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

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

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