CVE-2020-12912
kernel: unprivileged access to RAPL allows for side channel attacks
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 13, 2020
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel’s implementation of RAPL for AMD CPUs. This flaw allows a user with a local account to use the RAPL interface to gain information on the CPU execution state, resulting in an information leak of sensitive data across security boundaries. The highest threat from this vulnerability is to confidentiality.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-208 · Observable Timing Discrepancy