CVE-2026-93179

drm/amd/powerplay: fix VoltageObjectInfo zero-stride loop and OOB read

N/A
Published: September 17, 2026 at 04:12 PM UTC
Updated: October 30, 2026 at 01:20 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.5c82baa28184356a75c0157129f88af42b2e7b695
Vendor states this is fixed in 5d3cc8e388464f485d0944b87b8f9426e637d082 (fixed)
Vendor states this is fixed in 83c680de6d41d627c077dedb24f89d9e5be0e2a2 (fixed)
Vendor states this is fixed in 4.5 (unaffected)
Vendor states this is fixed in 6.12.113 (unaffected)
Vendor states this is fixed in 6.18.56 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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