Ningqiang

**Name of the Vulnerable Software and Affected Versions** QEMU (affected versions not specified) **Description** The issue is related to an off-by-one read/write problem in the SDHCI device of QEMU. It occurs when reading or writing the Buffer Data Port Register in `sdhci read dataport` and `sdhci write dataport` functions, respectively, if `data count` equals `block size`. A malicious guest could exploit this flaw to crash the QEMU process on the host, resulting in a denial of service condition. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.