CVE-2026-62434

medium

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.

References

https://xenbits.xenproject.org/xsa/advisory-507.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-49787

http://xenbits.xen.org/xsa/advisory-507.html

http://www.openwall.com/lists/oss-security/2026/07/28/23

Details

Source: Mitre, NVD

Published: 2026-07-28

Updated: 2026-07-28

Risk Information

CVSS v2

Base Score: 5.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:P/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L