Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 7.1.0 |
Related Weaknesses (CWE)
References
- https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.htmlMailing ListPatchThird 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 ListPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20221215-0005/Third Party Advisory
FAQ
What is CVE-2022-3872?
CVE-2022-3872 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 dat...
How severe is CVE-2022-3872?
CVE-2022-3872 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-3872?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.