Input validation error in Xen - CVE-2013-1952

 

Input validation error in Xen - CVE-2013-1952

Published: May 14, 2013 / Updated: August 11, 2020


Vulnerability identifier: #VU42845
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1952
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device's interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of service (interrupt injection) via unspecified vectors.


Affected software

Xen
Gentoo Linux
SUSE Linux
app-emulation/xen
app-emulation/xen-pvgrub
app-emulation/xen-tools

How to mitigate CVE-2013-1952

Install update from vendor's website.

app-emulation/xen - update to 4.2.2-r1
app-emulation/xen-pvgrub - update to 4.2.2-r1
app-emulation/xen-tools - update to 4.2.2-r3

External References

Related Security Bulletins