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prionPRIOn knowledge basePRION:CVE-2020-35503
HistoryJun 02, 2021 - 2:15 p.m.

Null pointer dereference

2021-06-0214:15:00
PRIOn knowledge base
www.prio-n.com
10

5.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.6%

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.

CPENameOperatorVersion
fedoraeq33
qemule6.0.0

5.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.6%