CVE-2020-35504

MEDIUM

QEMU < 6.0.0 - Denial of Service via SCSI Emulation NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. 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 (6)

Core 6
Core References
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/04/16/3
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1909766
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2021/04/16/3
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210713-0006/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202208-27
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Scores

CVSS v3 6.0
EPSS 0.0012
EPSS Percentile 30.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (3)
debian/debian_linux 10.0
fedoraproject/fedora 33
qemu/qemu < 6.0.0
Published May 28, 2021
Tracked Since Feb 18, 2026