| Name | CVE-2026-62434 |
| Description | A guest started with Populated on Demand enabled (PoD) can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state 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) |
| References | DSA-6424-1 |
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 | vulnerable |
| trixie | 4.20.2+37-g61ff35323e-0+deb13u1 | vulnerable |
| trixie (security) | 4.20.3+127-gc42374a105-0+deb13u1 | fixed |
| forky, sid | 4.20.3+127-gc42374a105-1 | fixed |
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 | trixie | 4.20.3+127-gc42374a105-0+deb13u1 | | DSA-6424-1 | |
| xen | source | (unstable) | 4.20.3+127-gc42374a105-1 | | | |
Notes
[bullseye] - xen <end-of-life> (out of LTS support)
https://xenbits.xen.org/xsa/advisory-507.html