CVE-2015-4163
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
8.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.7%
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.
Affected configurations
References
lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
support.citrix.com/article/CTX201145
www.debian.org/security/2015/dsa-3286
www.securityfocus.com/bid/75141
www.securitytracker.com/id/1032568
xenbits.xen.org/xsa/advisory-134.html
security.gentoo.org/glsa/201604-03
support.citrix.com/article/CTX206006
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
8.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.7%