CVE-2026-102702

Description

A flaw was found in Xen. A guest domain with read-only access to shared memory can cause memory corruption in another virtual machine. The hypervisor fails to restrict invalidate-without-clean cache operations on read-only grant table mappings. An attacker in a guest virtual machine can exploit this by issuing a cache flush request to corrupt shared memory, compromising data integrity.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Confidentiality,Integrity

Technical Impact: Read Application Data; Modify Application Data

Frequently Asked Questions

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