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CVE-2026-93178

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b; From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in 6f08c001fa6e8212930d694540ae8d9d6d3fb58a; From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in ce0d8e72836c9d3710a160ad848b0f1d096075e3; From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in 745297208d31222f916cc04da313cb737b997935; From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in f925d317d84d401d642e537ea18ee12f67cb6983; From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in 8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a; From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in 1664327ce797e09e387dc10cbbaa5b8d76558d2c; From c82baa28184356a75c0157129f88af42b2e7b695 · fixed in 3a8a05477cda6c8293e2b629495b42981dcaba32

  • Linux Linux

    4.5

  • KernelLinux

    From 4.5.0 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6

References 8

git.kernel.org