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CVE-2012-3498

21
FAUCET Score

CVE-2012-3498 is a denial-of-service vulnerability affecting Xen 4.1, 4.2, and Citrix XenServer 6.0.2 and earlier, where a missing range check in PHYSDEVOP_map_pirq allows local HVM guest OS kernels to crash the host and potentially read hypervisor or guest memory. With a CVSS score of 5.6, it is a medium-severity vulnerability requiring local access and low attack complexity, leading to a complete loss of availability and potential confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.0.2CPE matchmatch criteria
cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
7.8
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
35.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 66th percentile among its peer group of 3,050 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Vendor Advisories (1)

redhatCVE-2012-3498Moderate

kernel: xen: PHYSDEVOP_map_pirq index vulnerability

Sep 5, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-09/msg00003.html
lists.opensuse.org / opensuse-security-announce/2012-09/msg00004.html
lists.opensuse.org / opensuse-security-announce/2012-09/msg00017.html
lists.opensuse.org / opensuse-security-announce/2012-11/msg00017.html
lists.opensuse.org / opensuse-security-announce/2012-11/msg00018.html
lists.xen.org / archives/html/xen-announce/2012-09/msg00005.html
Vendor Advisory
osvdb.org / 85198
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/50472
Vendor Advisory
secunia.com / advisories/50530
Vendor Advisory
secunia.com / advisories/51413
secunia.com / advisories/55082
security.gentoo.org / glsa/glsa-201309-24.xml
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/78269
security.gentoo.org / glsa/201604-03
support.citrix.com / article/CTX134708
wiki.xen.org / wiki/Security_Announcements
openwall.com / lists/oss-security/2012/09/05/9
securityfocus.com / bid/55414