CVE-2025-54566: hw/pci/pcie_sriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26

Q: How do I fix CVE-2025-54566?

qemu: upgrade to newer than 10.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2025-54566 being exploited?

CVE-2025-54566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-54566 affect?

CVE-2025-54566 affects qemu. Severity is medium (CVSS 4.2). hw/pci/pcie_sriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26327.

Q: How urgent is CVE-2025-54566?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 4.2UPGRADE

CVE-2025-54566 is a medium-severity flaw (CVSS 4.2) affecting qemu. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

hw/pci/pcie_sriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26327.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.2 (Medium)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-642
Published	2025-07-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: qemu

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-25 03:15 UTCPublished CVE record published
2026-06-17 09:40 UTCUpdated Record last modified

qemu qemu UPGRADE

Affected: <= 10.0.3

Fixed in: newer than 10.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy qemu || rpm -q qemu || qemu --version

2. UPGRADE to newer than 10.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade qemu

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade qemu

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-54566?

qemu: upgrade to newer than 10.0.3. Exact commands for each OS are on this page.

Is CVE-2025-54566 being exploited?

CVE-2025-54566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-54566 affect?

CVE-2025-54566 affects qemu. Severity is medium (CVSS 4.2). hw/pci/pcie_sriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26327.

How urgent is CVE-2025-54566?

Priority 20/100. No elevated risk signals yet.

Software pages

QEMU vulnerabilities

Related CVEs

CVE-2025-54567 MEDIUM 4.2 UPGRADE hw/pci/pcie_sriov.c in QEMU through 10.0.3 mishandles the VF Enable bit write mask, a related issue to CVE-202
CVE-2024-8354 MEDIUM 5.5 MITIGATE MITIGATE A flaw was found in QEMU
CVE-2024-7730 HIGH 7.4 UPGRADE A heap buffer overflow was found in the virtio-snd device in QEMU
CVE-2024-6519 HIGH 8.2 MITIGATE A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation
CVE-2024-6505 MEDIUM 6.8 MITIGATE MITIGATE A flaw was found in the virtio-net device in QEMU

References

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