VULNERABILITY INTELLIGENCE
CVE-2020-35505
CVSS score4.4 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2021-05-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- secalert@redhat.com: CWE-476
- nvd@nist.gov: CWE-476
Primary references
- secalert@redhat.com — Mailing List, Third Party Advisory
- secalert@redhat.com — Issue Tracking, Patch, Third Party Advisory
- secalert@redhat.com — Mailing List, Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory