| Name | CVE-2026-79602 |
| Description | A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen. |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | bookworm, bookworm (security) | 4.17.5+72-g01140da4e8-1 | vulnerable |
| trixie (security), trixie | 4.20.3+127-gc42374a105-0+deb13u1 | vulnerable | |
| forky, sid | 4.20.3+127-gc42374a105-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xen | source | (unstable) | (unfixed) |
[trixie] - xen <postponed> (Minor issue, fix along with future DSA)
https://xenbits.xen.org/xsa/advisory-510.html