VDB
CVE-2020-35504
CVE-2020-35504
PUBLISHED
CVSS 6 MEDIUM
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.
EPSS 0.34% · 24.8th percentile
Risk Scores
CVSS 3.1
6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
EPSS Score
0.34%
24.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:16.04:LTS | qemu | 1:2.3+dfsg-5ubuntu9, 1:2.4+dfsg-4ubuntu2, 1:2.4+dfsg-4ubuntu3 |
| Ubuntu:18.04:LTS | qemu | *, 0, 1:2.10+dfsg-0ubuntu3 |
| Ubuntu:20.04:LTS | qemu | 1:4.2-3ubuntu6.11, 1:4.2-3ubuntu6.12, 1:4.2-3ubuntu6.14 |
| Ubuntu:Pro:14.04:LTS | qemu | *, *, * |
Timeline
- Apr 18, 2021 CVE Published
- May 29, 2021 EPSS Score
- Aug 1, 2021 EPSS Score
- Oct 1, 2021 EPSS Score
- Dec 2, 2021 EPSS Score
- Feb 1, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 4, 2022 EPSS Score
- Jun 5, 2022 EPSS Score
- Aug 6, 2022 EPSS Score
- Oct 7, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-35504 third-party-advisory
- https://lists.gnu.org/archive/html/qemu-devel/2021-03/msg06550.html third-party-advisory
- https://lists.gnu.org/archive/html/qemu-devel/2021-04/msg01000.html third-party-advisory
- https://ubuntu.com/security/notices/USN-5010-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-35504 third-party-advisory