Vulnerability 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.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Related Weaknesses (CWE)
References
- https://xenbits.xenproject.org/xsa/advisory-507.html
- http://www.openwall.com/lists/oss-security/2026/07/28/23
- http://xenbits.xen.org/xsa/advisory-507.html
FAQ
What is CVE-2026-62434?
CVE-2026-62434 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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.
How severe is CVE-2026-62434?
CVE-2026-62434 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-62434?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.