Id:
CVE-2020-35503
Comment
:
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.
CVSSv2 Score:
2.1
Access vector:
|
LOCAL
|
Access complexity:
|
LOW
|
Authentication:
|
NONE
|
Confidentiality impact:
|
NONE
|
Integrity impact:
|
NONE
|
Availability impact:
|
PARTIAL
|
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6
Attack vector:
|
LOCAL
|
Attack complexity:
|
LOW
|
Privileges required:
|
HIGH
|
User interaction:
|
NONE
|
Scope:
|
CHANGED
|
Confidentiality impact:
|
NONE
|
Integrity impact:
|
NONE
|
Availability impact:
|
HIGH
|
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
References: