The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
References
Link | Resource |
---|---|
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html | Third Party Advisory |
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html | Third Party Advisory |
http://secunia.com/advisories/62672 | Permissions Required |
http://www.debian.org/security/2015/dsa-3140 | Third Party Advisory |
http://www.securityfocus.com/bid/71149 | |
http://xenbits.xen.org/xsa/advisory-109.html | Patch Vendor Advisory |
https://exchange.xforce.ibmcloud.com/vulnerabilities/98767 | |
https://security.gentoo.org/glsa/201504-04 |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2014-11-19T18:00:00
Updated: 2017-09-07T15:57:01
Reserved: 2014-11-04T00:00:00
Link: CVE-2014-8594
JSON object: View
NVD Information
Status : Modified
Published: 2014-11-19T18:59:10.533
Modified: 2018-10-30T16:27:35.843
Link: CVE-2014-8594
JSON object: View
Redhat Information
No data.
CWE