CVE-2021-3930

medium

Description

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2020588

https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html

https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

https://security.gentoo.org/glsa/202208-27

https://security.netapp.com/advisory/ntap-20220225-0007/

Details

Source: Mitre, NVD

Published: 2022-02-18

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Severity: Medium