Use After Free Affecting libvirt package, versions <0:6.0.0-37.module+el8.5.0+670+c4aa478c


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-ROCKY8-LIBVIRT-3283504
  • published5 Jan 2023
  • disclosed21 Jul 2020

Introduced: 21 Jul 2020

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

How to fix?

Upgrade Rocky-Linux:8 libvirt to version 0:6.0.0-37.module+el8.5.0+670+c4aa478c or higher.
This issue was patched in RLSA-2021:4191.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt package and not the libvirt package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux: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 Scores

version 3.1