Resource management error in Xen - CVE-2011-2901

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU42511

Resource management error in Xen - CVE-2011-2901

Published: October 1, 2013 / Updated: August 10, 2020


Vulnerability identifier: #VU42511
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-2901
CWE-ID: CWE-399
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a remote #AU# to perform a denial of service (DoS) attack.

Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.


How to mitigate CVE-2011-2901

Install update from vendor's website.

Sources