CVE-2022-3872

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.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Third-Party Advisory nongnu.org Third-Party Advisory netapp.com
Affected: n/a QEMU
Published at:
Updated at:

References

Link Tags
https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html mailing list third party advisory patch
https://security.netapp.com/advisory/ntap-20221215-0005/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-3872?
CVE-2022-3872 has been scored as a high severity vulnerability.
How to fix CVE-2022-3872?
To fix CVE-2022-3872, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-3872 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-3872 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-3872?
CVE-2022-3872 affects n/a QEMU.
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