CVE-2026-93178 (CVSS 7.1)

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Return -EINVAL when any index is out of range.

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CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/1664327ce797e09e387dc10cbbaa5b8d76558d2c https://git.kernel.org/stable/c/3a8a05477cda6c8293e2b629495b42981dcaba32 https://git.kernel.org/stable/c/6f08c001fa6e8212930d694540ae8d9d6d3fb58a https://git.kernel.org/stable/c/745297208d31222f916cc04da313cb737b997935 https://git.kernel.org/stable/c/8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a https://git.kernel.org/stable/c/ce0d8e72836c9d3710a160ad848b0f1d096075e3 https://git.kernel.org/stable/c/d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b https://git.kernel.org/stable/c/f925d317d84d401d642e537ea18ee12f67cb6983

Frequently Asked Questions

What is CVE-2026-93178? +

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Return -EINVAL when any index is out of range. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-93178? +

CVE-2026-93178 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-93178? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

CVE-2026-93178