What happened
In the Linux kernel, the following vulnerability has been resolved: drm/amd/powerplay: fix VoltageObjectInfo zero-stride loop and OOB read Reject voltage objects whose usSize is smaller than the header or would advance the cursor past the table end, preventing an infinite loop or heap OOB read when the VBIOS supplies a malformed VoltageObjectInfo table.
Affected versions
Linux: c82baa28184356a75c0157129f88af42b2e7b695 through before 0a6c9b3801903b6db91f3cbf148646b501dbded3 (git); c82baa28184356a75c0157129f88af42b2e7b695 through before 83c680de6d41d627c077dedb24f89d9e5be0e2a2 (git); c82baa28184356a75c0157129f88af42b2e7b695 through before 5d3cc8e388464f485d0944b87b8f9426e637d082 (git); 4.5 Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.