CVE-2025-54567
qemu-kvm: QEMU SR-IOV Enable Mask Vulnerability
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 25, 2025
Updated · June 30, 2026
Description
A flaw was found in QEMU. The PCIE SR-IOV emulation within QEMU incorrectly handles write masks for the VF Enable bit. This vulnerability allows an attacker with adjacent network access to trigger unexpected behavior. Mishandling occurs due to a logic error in hw/pci/pcie_sriov.c. Exploitation involves crafting a malicious network packet that can result in a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4.2CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
CWE-684 · Incorrect Provision of Specified Functionality