CVE-2024-3446: Double Free (CVSS 8.2)

Description

A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio-serial-bus, virtio-crypto), where the mem_reentrancy_guard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to crash the QEMU process on the host, resulting in a denial of service or allow arbitrary code execution within the context of the QEMU process on the host.

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CVSS v3.1 Score

8.2

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-415 CWE-415

References

Other References

https://access.redhat.com/errata/RHSA-2024:6964 https://access.redhat.com/security/cve/CVE-2024-3446 https://bugzilla.redhat.com/show_bug.cgi?id=2274211 https://patchew.org/QEMU/[email protected]/ https://access.redhat.com/security/cve/CVE-2024-3446 https://bugzilla.redhat.com/show_bug.cgi?id=2274211 https://patchew.org/QEMU/[email protected]/ https://security.netapp.com/advisory/ntap-20250502-0007/

Frequently Asked Questions

What is CVE-2024-3446? +

A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio-serial-bus, virtio-crypto), where the mem_reentrancy_guard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to crash the QEMU process on the host, resulting in a denial of service or allow arbitrary code execution within the context of the QEMU process on the host. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2024-3446? +

CVE-2024-3446 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-3446? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-3446