Wind River Support Network


LIN1021-4741 : Security Advisory - qemu - CVE-2022-3872

Created: Nov 7, 2022    Updated: Nov 14, 2022
Found In Version:
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace


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.

CREATE(Triage):(User=admin) CVE-2022-3872 (
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