CVE-2014-1896

medium

Description

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."

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

Details

Source: MITRE

Published: 2014-04-01

Updated: 2017-01-07

Type: CWE-20

Risk Information

CVSS v2

Base Score: 4.9

Vector: AV:A/AC:M/Au:S/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 4.4

Severity: MEDIUM