Name | CVE-2022-27672 |
Description | When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Debian Bugs | 1031567 |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
linux (PTS) | bullseye | 5.10.223-1 | vulnerable |
| bullseye (security) | 5.10.226-1 | vulnerable |
| bookworm | 6.1.106-3 | fixed |
| bookworm (security) | 6.1.112-1 | fixed |
| trixie | 6.10.11-1 | fixed |
| sid | 6.11.2-1 | fixed |
xen (PTS) | bullseye | 4.14.6-1 | fixed |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed |
| bookworm | 4.17.3+10-g091466ba55-1~deb12u1 | fixed |
| sid, trixie | 4.17.3+36-g54dacb5c02-1 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|
linux | source | (unstable) | 6.1.12-1 | | | |
xen | source | buster | (not affected) | | | |
xen | source | bullseye | (not affected) | | | |
xen | source | (unstable) | 4.17.0+46-gaaf74a532c-1 | | | 1031567 |
Notes
[bullseye] - xen <not-affected> (Vulnerable code not present)
[buster] - xen <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2023/02/14/4
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1045
https://xenbits.xen.org/xsa/advisory-426.html
https://kernel.org/doc/html//next/admin-guide/hw-vuln/cross-thread-rsb.html