SB2025021859 - Ubuntu update for qemu

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Main Vulnerability Database SB2025021859

SB2025021859 - Ubuntu update for qemu

Published: February 18, 2025

Security Bulletin ID SB2025021859
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2024-26327)

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to a boundary error within the register_vfs() function in hw/pci/pcie_sriov.c in VF implementations. A malicious guest can trigger memory corruption and execute arbitrary code on the system.


2) Resource management error (CVE-ID: CVE-2024-26328)

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application. The register_vfs() function in hw/pci/pcie_sriov.c does not set NumVFs to PCI_SRIOV_TOTAL_VF. A malicious guest can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References