CVE-2016-6834 Information

Description

The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.

CVSS Vector

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

Reference

http://git.qemu.org/?p=qemu.git;a=commit;h=ead315e43ea0c2ca3491209c6c8db8ce3f2bbe05 http://www.openwall.com/lists/oss-security/2016/08/11/8 http://www.openwall.com/lists/oss-security/2016/08/18/7 http://www.securityfocus.com/bid/92446 https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01601.html https://security.gentoo.org/glsa/201609-01

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.4