DEBIAN-CVE-2020-35505

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2020-35505
Downstream
DLA-3099-1
Published: 28 May 2021, 11:15
Last modified:28 Apr 2026, 20:18

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 May 2021, 11:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•qemu

    all | < 1:6.0+dfsg-3 | < 1:6.0+dfsg-3 | < 1:6.0+dfsg-3

References (1)