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CVE-2017-6505

Status Candidate

Overview

The ohci_service_ed_list function in hw/usb/hcd-ohci.c in QEMU (aka Quick Emulator) before 2.9.0 allows local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors, a different vulnerability than CVE-2017-9330.

Related Files

Ubuntu Security Notice USN-3268-1
Posted Apr 25, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3268-1 - 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. It was discovered that QEMU incorrectly handled the JAZZ RC4030 device. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Jann Horn discovered that QEMU incorrectly handled VirtFS directory sharing. A privileged attacker inside the guest could use this issue to access files on the host file system outside of the shared directory and possibly escalate their privileges. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2016-10028, CVE-2016-8667, CVE-2016-9602, CVE-2016-9603, CVE-2016-9908, CVE-2016-9912, CVE-2016-9914, CVE-2017-5552, CVE-2017-5578, CVE-2017-5987, CVE-2017-6505
SHA-256 | 55219cd93a67e26cc2c98285217c82a6a4c4a415f32a2bc50c406be0dfd12705
Gentoo Linux Security Advisory 201704-01
Posted Apr 11, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201704-1 - Multiple vulnerabilities have been found in QEMU, the worst of which could the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition. Versions less than 2.8.0-r9 are affected.

tags | advisory, denial of service, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2016-9602, CVE-2017-2620, CVE-2017-2630, CVE-2017-5973, CVE-2017-5987, CVE-2017-6058, CVE-2017-6505
SHA-256 | 3b251d7fac89e4f118e27fdfd02cda9e0c9a3ccfea63de553eaac89d342ab135
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