MEDIUM 5.7 Microsoft

CVE-2021-3409

The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.

Microsoft Security Update 2021-Mar: The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.

Affected Products

References

Published: 2021-03-09 · Source: Microsoft · Feed updated: 2026-08-20
This medium severity vulnerability with a CVSS score of 5.7 was published on 2021-03-09 via Microsoft. Affected: qemu-kvm-4.2.0-29.cm1.x86_64.rpm on CBL Mariner 1.0 x64, qemu-img-4.2.0-29.cm1.x86_64.rpm on CBL Mariner 1.0 x64, qemu-kvm-4.2.0-29.cm1.aarch64.rpm on CBL Mariner 1.0 ARM and 1 more.
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