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CVE-2022-3872

Published: Nov 7, 2022

Modified: May 5, 2025

PUBLISHED

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.

Vendor	Product	Versions
n/a	QEMU	affected `Affected: up to latest v7.1.0-rc4`

Weaknesses (CWE)

References

https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html

https://security.netapp.com/advisory/ntap-20221215-0005/

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