CVE-2020-35505 Information

Description

A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the ‘Information Transfer’ command. 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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.openwall.com/lists/oss-security/2021/04/16/3 https://www.openwall.com/lists/oss-security/2021/04/16/3 https://bugzilla.redhat.com/show_bug.cgi?id=1909769 https://security.netapp.com/advisory/ntap-20210713-0006/

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.4