Buffer overflow in Xen - CVE-2013-2212
Published: August 29, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42620
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-2212
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vmx_set_uc_mode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service (CPU consumption and possibly hypervisor or guest kernel panic) via a crafted GFN range.
Affected software
Xen
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2013-2212
Install update from vendor's website.
External References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://www.openwall.com/lists/oss-security/2013/07/24/6
- https://security.gentoo.org/glsa/201504-04