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CVE-2026-93178

HIGHCVSS 7.1/10

Last modified

CVE-2026-93178 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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..

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.

Metrics

CVSS 3.1
7.1/10

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

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= c82baa28184356a75c0157129f88af42b2e7b695, < d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b; >= c82baa28184356a75c0157129f88af42b2e7b695, < 6f08c001fa6e8212930d694540ae8d9d6d3fb58a; >= c82baa28184356a75c0157129f88af42b2e7b695, < ce0d8e72836c9d3710a160ad848b0f1d096075e3; >= c82baa28184356a75c0157129f88af42b2e7b695, < 745297208d31222f916cc04da313cb737b997935; >= c82baa28184356a75c0157129f88af42b2e7b695, < f925d317d84d401d642e537ea18ee12f67cb6983; >= c82baa28184356a75c0157129f88af42b2e7b695, < 8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a; >= c82baa28184356a75c0157129f88af42b2e7b695, < 1664327ce797e09e387dc10cbbaa5b8d76558d2c; >= c82baa28184356a75c0157129f88af42b2e7b695, < 3a8a05477cda6c8293e2b629495b42981dcaba32
LinuxLinux4.5

References

Timeline

Published
Last Modified
Status
Received

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.
How severe is CVE-2026-93178?
CVE-2026-93178 has a CVSS score of 7.1/10 (HIGH severity).
How do I fix CVE-2026-93178?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST