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TI-2020-10267 Aliases CVE-2020-12912GHSA-329v-cj6c-rhmq

Observable discrepancy in AMD extension to Linux "hwmon" for Zen1 platforms

Priority LOW 25CWE-749Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-203.

Summary

A potential vulnerability in the AMD extension to Linux "hwmon" service may allow an attacker to use the Linux-based Running Average Power Limit (RAPL) interface to show various side channel attacks. In line with industry partners, AMD has updated the RAPL interface to require privileged access.

Why it matters now

EPSS 0.00468 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—AMD extension to Linux "hwmon" for Zen1 platformsEach Linux distro determines its own version.—No fix listedCNA
  • AMD extension to Linux "hwmon" for Zen1 platforms Vendor— Affected Each Linux distro determines its own version. Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:amd:energy_driver_for_linux:*:*:*:*:*:*:*:*all versionsVulnerableAMD
  • cpe:2.3:a:amd:energy_driver_for_linux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·AMD

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 5 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12912
  2. 2026-10-03 Alias added: GHSA-329v-cj6c-rhmq

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences