CVE-2020-35505

medium

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.

References

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/

Details

Source: MITRE

Published: 2021-05-28

Updated: 2022-05-13

Type: CWE-476

Risk Information

CVSS v2

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 4.4

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

Impact Score: 3.6

Exploitability Score: 0.8

Severity: MEDIUM