CVE-2026-93177 PUBLISHED

drm/amdgpu/pm/powerplay: bounds-check voltage index in Vega10 lookup

Assigner: Linux
Reserved: 17.09.2026 Published: 17.09.2026 Updated: 17.09.2026

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/pm/powerplay: bounds-check voltage index in Vega10 lookup

vddInd, vddciInd and mvddInd from VBIOS-parsed tables index into vddc, vddci and vddmem lookup tables without bounds checks across nine sites. Return -EINVAL when any index is out of range.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from f83a9991648bb4023a53104db699e99305890d51 to 206e478810d6af50b25d8da72e3af8d55a014365 (excl.)
  • affected from f83a9991648bb4023a53104db699e99305890d51 to 25dedc13ceb9b6109c79c92a726ca4ca017c9eaa (excl.)
  • affected from f83a9991648bb4023a53104db699e99305890d51 to ae25c92d91f2cb90ede2b0eb0f58efa82ccc718b (excl.)
  • affected from f83a9991648bb4023a53104db699e99305890d51 to b349dcf061a6dc8c6cef9a10530331ef2ff66c72 (excl.)
  • affected from f83a9991648bb4023a53104db699e99305890d51 to dfe89f1a0c7f40ef858b93881198f9728df956cf (excl.)
  • affected from f83a9991648bb4023a53104db699e99305890d51 to 46d27e56dbd6345b9c7b62b67ec57407bf3bf29a (excl.)
  • affected from f83a9991648bb4023a53104db699e99305890d51 to 06aef6dcc1d52da5112cbcde39c062e493247ab5 (excl.)
  • affected from f83a9991648bb4023a53104db699e99305890d51 to 6fa33f594e46e775a94097f71b486d7b006b6917 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.12 is affected
  • unaffected from 0 to 4.12 (excl.)
  • unaffected from 5.10.270 to 5.10.* (incl.)
  • unaffected from 5.15.221 to 5.15.* (incl.)
  • unaffected from 6.1.188 to 6.1.* (incl.)
  • unaffected from 6.6.157 to 6.6.* (incl.)
  • unaffected from 6.12.110 to 6.12.* (incl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References