Vulnerability Details CVE-2015-4163
GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 27.6%
CVSS Severity
CVSS v2 Score 4.9
References
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://www.debian.org/security/2015/dsa-3286
- http://www.securityfocus.com/bid/75141
- http://www.securitytracker.com/id/1032568
- http://xenbits.xen.org/xsa/advisory-134.html
- https://security.gentoo.org/glsa/201604-03
- https://support.citrix.com/article/CTX206006
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://www.debian.org/security/2015/dsa-3286
- http://www.securityfocus.com/bid/75141
- http://www.securitytracker.com/id/1032568
- http://xenbits.xen.org/xsa/advisory-134.html
- https://security.gentoo.org/glsa/201604-03
- https://support.citrix.com/article/CTX206006
Products affected by CVE-2015-4163
-
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:4.3.4
-
cpe:2.3:o:xen:xen:4.4.0
-
cpe:2.3:o:xen:xen:4.4.1
-
cpe:2.3:o:xen:xen:4.5.0