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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2012-12-13T11:00:00

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 : Modified

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

Modified: 2023-02-13T00:26:42.630

Link: CVE-2012-5513

cve-icon Redhat

Severity : Important

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

Links: CVE-2012-5513 - Bugzilla