MEDIUM · 4.4

CVE-2014-1642

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest ...

Vulnerability Description

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service (memory corruption and hypervisor crash) and possibly execute arbitrary code via vectors related to an out-of-memory error that triggers a (1) use-after-free or (2) double free.

CVSS Score

4.4

MEDIUM

AV:L/AC:M/Au:N/C:P/I:P/A:P
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL

Affected Products

VendorProductVersions
XenXen4.2.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2014-1642?

CVE-2014-1642 is a vulnerability with a CVSS score of 4.4 (MEDIUM). The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest ...

How severe is CVE-2014-1642?

CVE-2014-1642 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2014-1642?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.