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CVE-2016-9381

Status Candidate

Overview

Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.

Related Files

Ubuntu Security Notice USN-3261-1
Posted Apr 20, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3261-1 - Zhenhao Hong discovered that QEMU incorrectly handled the Virtio GPU device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. Li Qiang discovered that QEMU incorrectly handled the 6300esb watchdog. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2016-10028, CVE-2016-10029, CVE-2016-10155, CVE-2016-7907, CVE-2016-8667, CVE-2016-8669, CVE-2016-9381, CVE-2016-9602, CVE-2016-9603, CVE-2016-9776, CVE-2016-9845, CVE-2016-9846, CVE-2016-9907, CVE-2016-9908, CVE-2016-9911, CVE-2016-9912, CVE-2016-9913, CVE-2016-9914, CVE-2016-9915, CVE-2016-9916, CVE-2016-9921, CVE-2016-9922, CVE-2017-2615, CVE-2017-2620, CVE-2017-2633, CVE-2017-5525, CVE-2017-5526, CVE-2017-5552
SHA-256 | 59e4c93cf0110c0dfbf04c8437a5671ce02bce5e5d84b925280c13d41fc38a3b
Gentoo Linux Security Advisory 201612-56
Posted Jan 2, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201612-56 - Multiple vulnerabilities have been found in Xen, the worst of which could lead to the execution of arbitrary code on the host system. Versions less than 4.7.1-r4 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2016-10024, CVE-2016-9377, CVE-2016-9378, CVE-2016-9379, CVE-2016-9380, CVE-2016-9381, CVE-2016-9382, CVE-2016-9383, CVE-2016-9384, CVE-2016-9385, CVE-2016-9386, CVE-2016-9637, CVE-2016-9815, CVE-2016-9816, CVE-2016-9817, CVE-2016-9818, CVE-2016-9932
SHA-256 | 70ed2e55c553c06ec58463cd484b2a108097349e02fa9a442b32774e3342fa47
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