SARA / Free Tools / CVE / CVE-2024-3446

CVE-2024-3446 — A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio

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 proce

CVSS
8.2 HIGH
EPSS
14.00% (top 66.40%)
CWE
CWE-415
Published
2024-04-09T19:34:45.646Z
Last modified
2025-05-02T23:02:59.338Z
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
Red HatRed Hat Enterprise Linux 88100020240905091210.489197e6
Red HatRed Hat Enterprise Linux 88100020240905091210.489197e6
Red HatRed Hat Enterprise Linux 6unspecified
Red HatRed Hat Enterprise Linux 7unspecified
Red HatRed Hat Enterprise Linux 7unspecified
Red HatRed Hat Enterprise Linux 8 Advanced Virtualizationunspecified
Red HatRed Hat Enterprise Linux 9unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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