CVE-2021-3409

QEMU: sdhci: incomplete fix for CVE-2020-17380/CVE-2020-25085

Published Mar 23, 2021 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2623-1 qemu security update
Debian DLA Debian DLA DLA-3362-1 qemu security update
EUVD EUVD EUVD-2021-26737 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.
Ubuntu USN Ubuntu USN USN-5010-1 QEMU vulnerabilities
Ubuntu USN Ubuntu USN USN-8412-1 QEMU vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 4:53 PM
Reserved
Feb 12, 2021, 12:00 AM
Status
Modified
Published
Mar 23, 2021, 9:15 PM
Modified
Jun 17, 2026, 4:05 AM
Severity
Moderate
Public date
Dec 28, 2020, 12:00 AM