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CVE-2012-5513

22
FAUCET Score

CVE-2012-5513 describes a denial-of-service or potential privilege escalation vulnerability in Xen 4.2 and earlier, affecting the XENMEM_exchange handler. A local PV guest OS administrator can exploit an improper memory address check to overwrite hypervisor memory, leading to a crash or privilege gain. With a CVSS score of 6.9 (AV:L/AC:M/Au:N/C:C/I:C/A:C), this vulnerability requires local access and medium attack complexity but has high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.0.3:*:*:*:*:*:*:*
3.0.4CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.0.4:*:*:*:*:*:*:*
3.1.3CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.1.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

AV:L/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 60th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gogspatch availablevia llm_extracted
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-308.24.1.el5
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 5.9Fixed in: kernel-xen

Vendor Advisories (2)

redhatCVE-2012-5513Important

kernel: xen: XENMEM_exchange may overwrite hypervisor memory

Dec 3, 2012
gogsllm-gogs-c116eb28067c06ec

XENMEM_exchange may overwrite hypervisor memory

Dec 3, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-12/msg00000.html
lists.opensuse.org / opensuse-security-announce/2012-12/msg00001.html
lists.opensuse.org / opensuse-security-announce/2012-12/msg00018.html
lists.opensuse.org / opensuse-security-announce/2012-12/msg00019.html
lists.opensuse.org / opensuse-security-announce/2013-01/msg00011.html
lists.opensuse.org / opensuse-security-announce/2014-03/msg00021.html
lists.opensuse.org / opensuse-security-announce/2014-04/msg00000.html
lists.opensuse.org / opensuse-updates/2013-04/msg00051.html
lists.opensuse.org / opensuse-updates/2013-04/msg00052.html
rhn.redhat.com / errata/RHSA-2012-1540.html
secunia.com / advisories/51397
Vendor Advisory
secunia.com / advisories/51468
Vendor Advisory
secunia.com / advisories/51486
Vendor Advisory
secunia.com / advisories/51487
Vendor Advisory
secunia.com / advisories/51495
Vendor Advisory
secunia.com / advisories/55082
security.gentoo.org / glsa/glsa-201309-24.xml
exchange.xforce.ibmcloud.com / vulnerabilities/80482
support.citrix.com / article/CTX135777
debian.org / security/2012/dsa-2582
openwall.com / lists/oss-security/2012/12/03/11
osvdb.org / 88131
securityfocus.com / bid/56797