Use After Free Affecting libvirt-daemon-config-nwfilter package, versions <0:6.0.0-37.module+el8.5.0+12162+40884dd2


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.44% (37th percentile)

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  • Snyk IDSNYK-CENTOS8-LIBVIRTDAEMONCONFIGNWFILTER-2135296
  • published26 Jul 2021
  • disclosed16 Jul 2020

Introduced: 16 Jul 2020

CVE-2020-15859  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 libvirt-daemon-config-nwfilter to version 0:6.0.0-37.module+el8.5.0+12162+40884dd2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-config-nwfilter package and not the libvirt-daemon-config-nwfilter package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address.

CVSS Base Scores

version 3.1