CVE-2020-35503

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

• CWE-476

• https://bugzilla.redhat.com/show_bug.cgi?id=1910346Issue Tracking, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20210720-0008/Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1910346Issue Tracking, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20210720-0008/Third Party Advisory

Published

Jun 2, 2021

Last Modified

Jun 17, 2026

Status

Modified

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