Buffer overflow in Xen - CVE-2013-1918
Published: May 14, 2013 / Updated: July 28, 2020
Vulnerability identifier: #VU32656
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-1918
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
Certain page table manipulation operations in Xen 4.1.x, 4.2.x, and earlier are not preemptible, which allows local PV kernels to cause a denial of service via vectors related to "deep page table traversal."
How to mitigate CVE-2013-1918
Install update from vendor's website.
Sources
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105533.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://secunia.com/advisories/53187
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2013/dsa-2666
- http://www.openwall.com/lists/oss-security/2013/05/02/8
- http://www.securityfocus.com/bid/59615