Vulnerability Details CVE-2014-1896
The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 35.3%
CVSS Severity
CVSS v2 Score 4.9
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/7
- http://xenbits.xen.org/xsa/advisory-86.html
- http://xenbits.xen.org/xsa/xsa86.patch
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/7
- http://xenbits.xen.org/xsa/advisory-86.html
- http://xenbits.xen.org/xsa/xsa86.patch
Products affected by CVE-2014-1896
-
cpe:2.3:o:xen:xen:4.2.0
-
cpe:2.3:o:xen:xen:4.2.1
-
cpe:2.3:o:xen:xen:4.2.2
-
cpe:2.3:o:xen:xen:4.2.3
-
cpe:2.3:o:xen:xen:4.3.0
-
cpe:2.3:o:xen:xen:4.3.1
-
cpe:2.3:o:xen:xen:4.4.0