LOW
The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.
http://git.qemu.org/?p=qemu.git;a=commit;h=415ab35a441eca767d033a2702223e785b9d5190
http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html
http://www.openwall.com/lists/oss-security/2016/03/02/8
http://www.securityfocus.com/bid/84028
http://www.ubuntu.com/usn/USN-2974-1
https://bugzilla.redhat.com/show_bug.cgi?id=1303106
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html
Source: MITRE
Published: 2016-06-16
Updated: 2018-12-01
Type: CWE-20
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 6
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 1.5
Severity: MEDIUM