What is CVE-2022-3872?

CVE-2022-3872 is a high-severity vulnerability in Qemu, classified under Off-by-one Error. CVSS score: 8.6/10. Published 2022-11-07.

How severe is CVE-2022-3872?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Qemu

CVE-2022-3872

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.

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Qemu — versions 7.1.0
N/a Qemu — versions Affected: up to latest v7.1.0-rc4

Weakness classification (CWE)

CWE-193 — Off-by-one Error

References

secalert@redhat.com (Patch, Mailing List, Third Party Advisory)
secalert@redhat.com (Third Party Advisory)

Frequently asked questions

What is CVE-2022-3872?: CVE-2022-3872 is a high-severity vulnerability in Qemu, classified under Off-by-one Error. CVSS score: 8.6/10. Published 2022-11-07.
How severe is CVE-2022-3872?: High severity. CVSS v3 base score is 8.6 out of 10.