CVE-2026-62434
MEDIUMCVSS 5.3/10
Last modified
CVE-2026-62434 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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..
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | consult Xen advisory XSA-507 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-62434?
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 a CVSS score of 5.3/10 (MEDIUM severity).
How do I fix CVE-2026-62434?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-62428When grant-copy operations are processed, the respective gra…7.8
- CVE-2026-62429Accessing the vNUMA configuration data of a guest is still p…6.5
- CVE-2026-62430Accesses to the CMOS memory contents are done using an indir…7.5
- CVE-2026-62431The logic to handle periodic Viridian STIMERs performs a div…7.5
- CVE-2026-62432The EVTCHNOP_expand_array hypercall checks for whether FIFO …7.3
- CVE-2026-62433Parts of the DM_OP handling code assumes the caller has prov…7.3
- CVE-2026-62435[This CNA information record relates to multiple CVEs; the t…6.5
- CVE-2026-62436[This CNA information record relates to multiple CVEs; the t…6.5
- CVE-2026-62443Vulnerability in the Oracle Contracts Integration product of…7.1
- CVE-2026-62444Vulnerability in the Oracle Contracts Integration product of…6.1
- CVE-2026-62445Vulnerability in the Oracle Order Management product of Orac…8.1
- CVE-2026-62447Vulnerability in the Oracle Trade Management product of Orac…8.8
Are you affected by CVE-2026-62434?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST