| Name | CVE-2026-23555 |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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 |
|---|
| xen (PTS) | bullseye | 4.14.6-1 | vulnerable |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | vulnerable |
| bookworm, bookworm (security) | 4.17.5+72-g01140da4e8-1 | fixed |
| trixie | 4.20.2+37-g61ff35323e-0+deb13u1 | vulnerable |
| trixie (security) | 4.20.2+7-g1badcf5035-0+deb13u1 | vulnerable |
| forky, sid | 4.20.2+37-g61ff35323e-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xen | source | bullseye | (unfixed) | end-of-life | | |
| xen | source | bookworm | (not affected) | | | |
| xen | source | (unstable) | (unfixed) | unimportant | | |
Notes
[bookworm] - xen <not-affected> (Vulnerable code not present)
[bullseye] - xen <end-of-life> (EOLed in Bullseye)
https://xenbits.xen.org/xsa/advisory-481.html
Debian uses the ocaml-based xenstored