Vulnerability · Published Nov 12, 2020 · Assigned by AMD
CVE-2020-12912
Medium 5.5
In plain English
A medium-severity security flaw in AMD extension to Linux "hwmon" for Zen1 platforms. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.9.9-1 | DEBIAN-CVE-2020-12912 |
| Debian:13 | linux | 5.9.9-1 | DEBIAN-CVE-2020-12912 |
| Debian:14 | linux | 5.9.9-1 | DEBIAN-CVE-2020-12912 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | AMD extension to Linux "hwmon" for Zen1 platforms | Each Linux distro determines its own version. |
Weakness: CWE-749
References
- https://www.amd.com/en/corporate/product-security x_refsource_MISC