Use After Free Affecting virt:rhel/libguestfs-gobject-devel package, versions <1:1.40.2-28.module_el8.5.0+2608+72063365.alma


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX8-VIRT-5654755
  • published28 May 2023
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

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

How to fix?

Upgrade AlmaLinux:8 virt:rhel/libguestfs-gobject-devel to version 1:1.40.2-28.module_el8.5.0+2608+72063365.alma or higher.
This issue was patched in ALSA-2021:4191.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/libguestfs-gobject-devel package and not the virt:rhel/libguestfs-gobject-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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