CVE-2019-15890

Public on 2020-12-08
Modified on 2021-01-13
Description
A use-after-free issue was found in the SLiRP networking implementation of the QEMU emulator. The issue occurs in ip_reass() routine while reassembling incoming packets, if the first fragment is bigger than the m->m_dat[] buffer. A user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
Severity
Medium
CVSS v3 Base Score
5.6
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 qemu 2020-12-08 21:30 ALAS2-2020-1570
Amazon Linux 1 qemu-kvm 2021-01-12 22:51 ALAS-2021-1467

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H