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.

Score

CVSS 2.0 4.9 Medium

Status

Modified - cve@mitre.org

Published

2015-06-15

Last modified

2024-08-06

Affected products

• Xen (Xen)

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