CVE-2012-5513

medium
Published 2012-12-13 · Modified 2026-04-29
CVSS v3
CVSS v2
6.9
VIR risk
6.9

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-5513

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/51495

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/51487

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/51486

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/51468

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/51397

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed4.1.3-5
debian debianbullseyefixed4.1.3-5
debian debianforkyfixed4.1.3-5
debian debiansidfixed4.1.3-5
debian debiantrixiefixed4.1.3-5

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.