CVE-2020-15863
5.3
MEDIUM
CVSS 3.1
EPSS 0.13%
Description
hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.
How to fix CVE-2020-15863
To remediate CVE-2020-15863, upgrade the affected package to a fixed version below.
- —upgrade to 1:5.0-12 or later
Is CVE-2020-15863 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:5.0-12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L |