Input validation error in Debian Linux - CVE-2013-4494
Published: November 2, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42407
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-2013-4494
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Debian
Affected software:
Debian Linux
Debian Linux
Detailed vulnerability description
The vulnerability allows a remote #AU# to perform a denial of service (DoS) attack.
Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.
How to mitigate CVE-2013-4494
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.html
- http://rhn.redhat.com/errata/RHSA-2014-0108.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.debian.org/security/2014/dsa-3006
- http://www.openwall.com/lists/oss-security/2013/11/01/2
- http://www.openwall.com/lists/oss-security/2013/11/01/3