CVE-2026-93177 Linux kernel - Out of Bounds Read/Write

Linux kernel contains a buffer overflow vulnerability caused by lack of bounds checking on voltage index in Vega10 lookup in drm/amdgpu/pm/powerplay, letting attackers cause denial of service or system instability, exploit requires local access.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read/Write
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Published
17 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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