VDB
CVE-2020-35505
CVE-2020-35505
PUBLISHED
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.
EPSS 0.08% · 23.2th percentile
Risk Scores
EPSS Score
0.08%
23.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | qemu | 1:4.2-3ubuntu1, 1:4.2-1ubuntu1, 1:4.0+dfsg-0ubuntu10 |
| Ubuntu:Pro:14.04:LTS | qemu | 2.0.0+dfsg-2ubuntu1.38, 2.0.0+dfsg-2ubuntu1.36, 2.0.0+dfsg-2ubuntu1.34 |
| Ubuntu:18.04:LTS | qemu | *, 0, 1:2.10+dfsg-0ubuntu4 |
| Ubuntu:Pro:16.04:LTS | qemu | 1:2.5+dfsg-5ubuntu10.14, 1:2.5+dfsg-5ubuntu10.13, 1:2.5+dfsg-5ubuntu10.9 |
Timeline
- Apr 18, 2021 CVE Published
- May 29, 2021 EPSS Score
- Jul 31, 2021 EPSS Score
- Sep 30, 2021 EPSS Score
- Nov 30, 2021 EPSS Score
- Jan 30, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 2, 2022 EPSS Score
- Jun 2, 2022 EPSS Score
- Aug 3, 2022 EPSS Score
- Oct 3, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-35505 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-2020-35505 third-party-advisory