CVE-2014-8867

The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.

• CWE-17

• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2015-0783.htmlThird Party Advisory
• http://secunia.com/advisories/59949Permissions Required, Third Party Advisory
• http://secunia.com/advisories/62672Permissions Required, Third Party Advisory
• http://support.citrix.com/article/CTX200288
• http://support.citrix.com/article/CTX201794
• http://www.debian.org/security/2015/dsa-3140Third Party Advisory
• http://www.securityfocus.com/bid/71331Third Party Advisory, VDB Entry
• http://xenbits.xenproject.org/xsa/advisory-112.htmlPatch, Vendor Advisory
• https://security.gentoo.org/glsa/201504-04
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2015-0783.htmlThird Party Advisory
• http://secunia.com/advisories/59949Permissions Required, Third Party Advisory
• http://secunia.com/advisories/62672Permissions Required, Third Party Advisory
• http://support.citrix.com/article/CTX200288
• http://support.citrix.com/article/CTX201794
• http://www.debian.org/security/2015/dsa-3140Third Party Advisory
• http://www.securityfocus.com/bid/71331Third Party Advisory, VDB Entry
• http://xenbits.xenproject.org/xsa/advisory-112.htmlPatch, Vendor Advisory
• https://security.gentoo.org/glsa/201504-04

Published

Dec 1, 2014

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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