CVE-2014-8867

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
• http://rhn.redhat.com/errata/RHSA-2015-0783.html
• http://secunia.com/advisories/59949
• http://secunia.com/advisories/62672
• http://support.citrix.com/article/CTX200288
• http://support.citrix.com/article/CTX201794
• http://www.debian.org/security/2015/dsa-3140
• http://www.securityfocus.com/bid/71331
• http://xenbits.xenproject.org/xsa/advisory-112.html
• 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.html
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
• http://rhn.redhat.com/errata/RHSA-2015-0783.html
• http://secunia.com/advisories/59949
• http://secunia.com/advisories/62672
• http://support.citrix.com/article/CTX200288
• http://support.citrix.com/article/CTX201794
• http://www.debian.org/security/2015/dsa-3140
• http://www.securityfocus.com/bid/71331
• http://xenbits.xenproject.org/xsa/advisory-112.html
• https://security.gentoo.org/glsa/201504-04