| Name | CVE-2023-31315 |
| Description | Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution. |
| 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 |
|---|
| amd64-microcode (PTS) | jessie/non-free | 3.20230719.1~deb8u1 | vulnerable |
| jessie/non-free (lts) | 3.20181128.1~deb8u1 | vulnerable |
| stretch/non-free | 3.20230719.1~deb9u1 | vulnerable |
| stretch/non-free (security), stretch/non-free (lts) | 3.20181128.1~deb9u2 | vulnerable |
| buster/non-free (security), buster/non-free | 3.20230719.1~deb10u1 | vulnerable |
| bullseye/non-free | 3.20240820.1~deb11u1 | fixed |
| bullseye/non-free (security) | 3.20230719.1~deb11u1 | vulnerable |
| bookworm/non-free-firmware | 3.20240820.1~deb12u1 | fixed |
| bookworm/non-free-firmware (security) | 3.20230719.1~deb12u1 | vulnerable |
| sid/non-free-firmware, trixie/non-free-firmware | 3.20240820.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html
[buster] - amd64-microcode <postponed> (Follow next point release)
[stretch] - amd64-microcode <postponed> (Follow next point release)
[jessie] - amd64-microcode <postponed> (Follow next point release)