SB2024082041 - SUSE update for qemu 



SB2024082041 - SUSE update for qemu

Published: August 20, 2024

Security Bulletin ID SB2024082041
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-2861)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an error in the 9p passthrough filesystem (9pfs) implementation in QEMU. A local user can escape from the exported 9p tree by creating and opening a device file in the shared folder.


2) Resource exhaustion (CVE-ID: CVE-2024-4467)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the qemu-img utility when handling a specially crafted image file containing a "json:{}" value. A remote attacker can trick the victim into loading a specially crafted image file and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.