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CVE-2021-3392 Detail

Description

A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas_free_request() that does not dequeue the request object 'req' from a pending requests queue. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. Versions between 2.10.0 and 5.2.0 are potentially affected.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugs.launchpad.net/qemu/+bug/1914236 Exploit  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1924042 Issue Tracking  Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20210507-0001/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST   Red Hat, Inc.  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3392
NVD Published Date:
03/23/2021
NVD Last Modified:
09/30/2022
Source:
Red Hat, Inc.