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CVE-2026-93178

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

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected c82baa28184356a75c0157129f88af42b2e7b695 before d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b; affected c82baa28184356a75c0157129f88af42b2e7b695 before 6f08c001fa6e8212930d694540ae8d9d6d3fb58a; affected c82baa28184356a75c0157129f88af42b2e7b695 before ce0d8e72836c9d3710a160ad848b0f1d096075e3; affected c82baa28184356a75c0157129f88af42b2e7b695 before 745297208d31222f916cc04da313cb737b997935; affected c82baa28184356a75c0157129f88af42b2e7b695 before f925d317d84d401d642e537ea18ee12f67cb6983; affected c82baa28184356a75c0157129f88af42b2e7b695 before 8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a; affected c82baa28184356a75c0157129f88af42b2e7b695 before 1664327ce797e09e387dc10cbbaa5b8d76558d2c; affected c82baa28184356a75c0157129f88af42b2e7b695 before 3a8a05477cda6c8293e2b629495b42981dcaba32
Linux / Linuxaffected 4.5; unaffected 0 before 4.5; unaffected 5.10.270 through 5.10.*; unaffected 5.15.221 through 5.15.*; unaffected 6.1.188 through 6.1.*; unaffected 6.6.157 through 6.6.*; unaffected 6.12.110 through 6.12.*; unaffected 6.18.52 through 6.18.*; unaffected 7.2.6 through 7.2.*; unaffected 7.3 through *

CWE

No CWE identifiers supplied.

References