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CVE-2018-5244

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 201810-06
Posted Oct 31, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201810-6 - Multiple vulnerabilities have been found in Xen, the worst of which could cause a Denial of Service condition. Versions less than 4.10.1-r2 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2017-5715, CVE-2017-5753, CVE-2017-5754, CVE-2018-10471, CVE-2018-10472, CVE-2018-10981, CVE-2018-10982, CVE-2018-12891, CVE-2018-12892, CVE-2018-12893, CVE-2018-15468, CVE-2018-15469, CVE-2018-15470, CVE-2018-3620, CVE-2018-3646, CVE-2018-5244, CVE-2018-7540, CVE-2018-7541, CVE-2018-7542
SHA-256 | b217f9accfba4a764bd6f85c953f7739d90f11d6b6ba34b105c6fadfa4adafee
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