| Name | CVE-2022-21166 |
| Description | Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-3065-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| intel-microcode (PTS) | stretch/non-free | 3.20200616.1~deb9u1 | vulnerable |
| stretch/non-free (security) | 3.20210608.2~deb9u2 | vulnerable |
| buster/non-free | 3.20220207.1~deb10u1 | vulnerable |
| buster/non-free (security) | 3.20210608.2~deb10u1 | vulnerable |
| bullseye/non-free | 3.20220207.1~deb11u1 | vulnerable |
| sid/non-free, bookworm/non-free | 3.20220510.1 | fixed |
| linux (PTS) | stretch | 4.9.228-1 | vulnerable |
| stretch (security) | 4.9.320-2 | fixed |
| buster | 4.19.235-1 | vulnerable |
| buster (security) | 4.19.232-1 | vulnerable |
| bullseye | 5.10.106-1 | vulnerable |
| bullseye (security) | 5.10.120-1 | vulnerable |
| bookworm, sid | 5.18.5-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#DRPW
Linux kernel documentation patch: https://git.kernel.org/linus/4419470191386456e0b8ed4eb06a70b0021798a6
https://xenbits.xen.org/xsa/advisory-404.html