The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2014-11-19T18:00:00

Updated: 2024-08-06T13:25:59.938Z

Reserved: 2014-11-04T00:00:00

Link: CVE-2014-8594

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2014-11-19T18:59:10.533

Modified: 2018-10-30T16:27:35.843

Link: CVE-2014-8594

cve-icon Redhat

Severity : Low

Publid Date: 2014-11-18T00:00:00Z

Links: CVE-2014-8594 - Bugzilla