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CVE-2014-1642

17
FAUCET Score

CVE-2014-1642 describes a use-after-free or double-free vulnerability in Xen 4.2.x and 4.3.x when configured for device passthrough and a large number of CPUs. This flaw allows local guest administrators to trigger memory corruption, leading to a hypervisor crash (denial of service) and potentially arbitrary code execution. The vulnerability has a CVSS score of 4.4, indicating a low attack complexity but requiring local access. 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
4.2.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
4.2.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
4.2.3CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
4.3.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
36.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 70th 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

Vendor Advisories (1)

redhatCVE-2014-1642Important

xen: out-of-memory condition yielding memory corruption during IRQ setup

Jan 23, 2014

References

lists.fedoraproject.org / pipermail/package-announce/2014-February/127580.html
lists.fedoraproject.org / pipermail/package-announce/2014-February/127607.html
lists.opensuse.org / opensuse-security-announce/2014-03/msg00011.html
osvdb.org / 102406
secunia.com / advisories/56557
Vendor Advisory
security.gentoo.org / glsa/glsa-201407-03.xml
exchange.xforce.ibmcloud.com / vulnerabilities/90649
openwall.com / lists/oss-security/2014/01/23/4
securityfocus.com / bid/65097
securitytracker.com / id/1029679
xenbits.xen.org / xsa/advisory-83.html
Vendor Advisory