The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2582-1 xen security update
EUVD EUVD EUVD-2012-5405 The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T21:05:47.310Z

Reserved: 2012-10-24T00:00:00

Link: CVE-2012-5513

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-12-13T11:53:48.993

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-5513

cve-icon Redhat

Severity : Important

Publid Date: 2012-12-03T00:00:00Z

Links: CVE-2012-5513 - Bugzilla

cve-icon OpenCVE Enrichment

No data.