Use After Free Affecting virt:rhel/sgabios package, versions <1:0.20170427git-3.module+el8.8.0+16781+9f4724c2


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL8-VIRT-6213196
  • published31 Jan 2024
  • disclosed1 Jun 2023

Introduced: 1 Jun 2023

CVE-2023-3019  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/sgabios to version 1:0.20170427git-3.module+el8.8.0+16781+9f4724c2 or higher.
This issue was patched in RHSA-2024:0569.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/sgabios package and not the virt:rhel/sgabios package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

CVSS Scores

version 3.1