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CVE-2015-4163

CVE-2015-4163

EPSS 0.4%
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 products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.htmlhttps://security.gentoo.org/glsa/201604-03https://support.citrix.com/article/CTX206006http://support.citrix.com/article/CTX201145http://www.debian.org/security/2015/dsa-3286http://www.securityfocus.com/bid/75141http://www.securitytracker.com/id/1032568http://xenbits.xen.org/xsa/advisory-134.html