CVE-2022-3872

Name: CVE-2022-3872
Creator: NVD / NIST
Published: 2022-11-07T21:15:09.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2022-3872 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Metrics

CVSS 3.1

8.6/10

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

EPSS Probability

0.80%

52.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-193

Affected Software

Vendor	Product	Versions
Qemu	Qemu	< 7.1.0
Qemu	Qemu	7.1.0

References

https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.htmlMailing List, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20221215-0005/Third Party Advisory
https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.htmlMailing List, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20221215-0005/Third Party Advisory

Timeline

Published: Nov 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3872?

How severe is CVE-2022-3872?

CVE-2022-3872 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3872?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3872?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST