CVE-2014-1896

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-04-01 · updated 2026-06-17
Weakness: CWE-20

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."

Affected products

xen: 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1 (+1)

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

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