SB2024012360 - Red Hat Enterprise Linux 8 update for the virt:rhel and virt-devel:rhel modules



SB2024012360 - Red Hat Enterprise Linux 8 update for the virt:rhel and virt-devel:rhel modules

Published: January 23, 2024

Security Bulletin ID SB2024012360
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2023-3019)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the e1000e_write_packet_to_guest() function in the e1000e NIC emulation code in QEMU. A local user can trigger DMA reentrancy and crash the QEMU process on the host.


Remediation

Install update from vendor's website.