| Name | CVE-2023-20588 |
| Description | A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3623-1, DSA-5480-1, DSA-5492-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.226-1 | fixed |
| bookworm | 6.1.115-1 | fixed |
| bookworm (security) | 6.1.112-1 | fixed |
| trixie | 6.11.7-1 | fixed |
| sid | 6.11.9-1 | fixed |
| xen (PTS) | bullseye | 4.14.6-1 | vulnerable |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | vulnerable |
| 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 | bullseye | 5.10.197-1 | | | |
| linux | source | bookworm | 6.1.52-1 | | DSA-5492-1 | |
| linux | source | (unstable) | 6.4.13-1 | | | |
| linux-5.10 | source | buster | 5.10.197-1~deb10u1 | | DLA-3623-1 | |
| xen | source | buster | (unfixed) | end-of-life | | |
| xen | source | bullseye | (unfixed) | end-of-life | | |
| xen | source | bookworm | 4.17.2+76-ge1f9cb16e2-1~deb12u1 | | | |
| xen | source | (unstable) | 4.17.2+55-g0b56bed864-1 | | | |
Notes
[bullseye] - xen <end-of-life> (EOLed in Bullseye)
[buster] - xen <end-of-life> (DSA 4677-1)
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7007.html
https://git.kernel.org/linus/77245f1c3c6495521f6a3af082696ee2f8ce3921
https://git.kernel.org/linus/f58d6fbcb7c848b7f2469be339bc571f2e9d245b
https://xenbits.xen.org/xsa/advisory-439.html
https://github.com/xen-project/xen/commit/d7b78041dc819efde0350f27754a61cb01a93496