CVE-2016-9776 Information

Description

QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in ‘mcf_fec_receive’. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.openwall.com/lists/oss-security/2016/12/02/3 http://www.openwall.com/lists/oss-security/2016/12/02/8 http://www.securityfocus.com/bid/94638 https://bugzilla.redhat.com/show_bug.cgi?id=1400829 https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html https://security.gentoo.org/glsa/201701-49

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5