CVE-2026-93178high

CVE-2026-93178: high-severity vulnerability in Linux

drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.2%
exploitation probability
0.2%top 95% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/1664327ce797e09e387dc10cbbaa5b8d76558d2chttps://git.kernel.org/stable/c/3a8a05477cda6c8293e2b629495b42981dcaba32https://git.kernel.org/stable/c/6f08c001fa6e8212930d694540ae8d9d6d3fb58ahttps://git.kernel.org/stable/c/745297208d31222f916cc04da313cb737b997935https://git.kernel.org/stable/c/8a3db9f593b643904c6cc6d8a3f211c84ca6cf8ahttps://git.kernel.org/stable/c/ce0d8e72836c9d3710a160ad848b0f1d096075e3https://git.kernel.org/stable/c/d9ef085114d1e3c2c1f869c0bdb275a7b358ce8bhttps://git.kernel.org/stable/c/f925d317d84d401d642e537ea18ee12f67cb6983