CVE-2020-16092 Information

Description

In QEMU through 5.0.0 an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html http://www.openwall.com/lists/oss-security/2020/08/10/1 https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg07563.html https://security.netapp.com/advisory/ntap-20200821-0006/ https://usn.ubuntu.com/4467-1/ https://www.debian.org/security/2020/dsa-4760

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

3.8