CVE-2020-16092
LOWQEMU < 5.0.0 - Denial of Service via Network Packet Processing Assertion Failure
Title source: llmDescription
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.
References (8)
Core 8
Core References
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg07563.html
Mailing List, Patch, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2020/08/10/1
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200821-0006/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4467-1/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4760
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202208-27
Scores
CVSS v3
3.8
EPSS
0.0004
EPSS Percentile
11.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Details
CWE
CWE-617
Status
published
Products (7)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
debian/debian_linux
9.0
debian/debian_linux
10.0
opensuse/leap
15.2
qemu/qemu
< 5.0.0
Published
Aug 11, 2020
Tracked Since
Feb 18, 2026