| Name | CVE-2020-12912 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
| stretch (security) | 4.9.320-2 | fixed |
| stretch (lts), stretch | 4.9.320-3 | fixed |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed |
| bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.226-1 | fixed |
| bookworm | 6.1.115-1 | fixed |
| bookworm (security) | 6.1.119-1 | fixed |
| trixie | 6.12.5-1 | fixed |
| sid | 6.12.6-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | stretch | (not affected) | | | |
| linux | source | buster | (not affected) | | | |
| linux | source | (unstable) | 5.9.9-1 | unimportant | | |
Notes
[buster] - linux <not-affected> (Vulnerable driver introduced later)
[stretch] - linux <not-affected> (Vulnerable driver introduced later)
https://lore.kernel.org/stable/238e3cf7-582f-a265-5300-9b44948107b0@roeck-us.net/T/#ma48754bff34127867149bf466fc2f9c2deea3960
https://bugzilla.redhat.com/show_bug.cgi?id=1897402
https://support.lenovo.com/lu/uk/product_security/LEN-50481
CONFIG_SENSORS_AMD_ENERGY not enabled in Debian builds