In Xen 4.10, new infrastructure was introduced as part of an overhaul to how MSR emulation happens for guests. Unfortunately, one tracking structure isn't freed when a vcpu is destroyed. This allows guest OS administrators to cause a denial of service (host OS memory consumption) by rebooting many times.
References
Link | Resource |
---|---|
http://www.securityfocus.com/bid/102433 | Third Party Advisory VDB Entry |
http://www.securitytracker.com/id/1040774 | |
https://security.gentoo.org/glsa/201810-06 | |
https://xenbits.xen.org/xsa/advisory-253.html | Issue Tracking Mitigation Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2018-01-05T18:00:00
Updated: 2018-10-31T09:57:01
Reserved: 2018-01-05T00:00:00
Link: CVE-2018-5244
JSON object: View
NVD Information
Status : Modified
Published: 2018-01-05T18:29:00.247
Modified: 2018-10-31T10:32:20.263
Link: CVE-2018-5244
JSON object: View
Redhat Information
No data.
CWE