CVEvulnerability
CVE-2026-42488
8.1 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-06-18
- Last modified
- 2026-06-22
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-119
Description
Some shadow paging errors paths will switch the page-tables without
updating the currently running vCPU reference. This causes a mismatch
between the loaded page-tables and the mapcache metadata which can lead
to corruption of the mapcache.
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- https://xenbits.xenproject.org/xsa/advisory-494.html xenbits.xenproject.org
- http://www.openwall.com/lists/oss-security/2026/06/09/14 www.openwall.com
- http://xenbits.xen.org/xsa/advisory-494.html xenbits.xen.org