CVE-2020-35504

Advisory lineage Upstream: 0 Downstream: 15
Modified
Published: 28 May 2021, 10:20
Last modified:04 Aug 2024, 17:02

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
6 MEDIUM
v3.1 (nvd)
EPSS Score
0.12% LOW
0% probability +0.10%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 May 2021, 10:20
Published
Vulnerability first disclosed
04 Aug 2024, 17:02
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.12%• Percentile: 30%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•debian_linux

    10.0

  • fedoraproject•fedora

    33

  • qemu•qemu

    < 6.0.0

References (6)