CVE-2020-27821

CVE Details

Release Date:2021-06-04

Description


A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

See more information about CVE-2020-27821 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: Base Metrics:
Access Vector: Undefined Attack Complexity: Undefined
Privileges Required: None User Interaction: None
Scope: Unchanged Confidentiality Impact: Undefined
Integrity Impact: Undefined Availability Impact: Undefined

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (qemu)ELSA-2021-92852021-06-06



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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