VDB
CVE-2020-29485
CVE-2020-29485
PUBLISHED
An issue was discovered in Xen 4.6 through 4.14.x. When acting upon a guest XS_RESET_WATCHES request, not all tracking information is freed. A guest can cause unbounded memory usage in oxenstored. This can lead to a system-wide DoS. Only systems using the Ocaml Xenstored implementation are vulnerable. Systems using the C Xenstored implementation are not vulnerable.
EPSS 0.06% · 19.8th percentile
Risk Scores
EPSS Score
0.06%
19.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | xen | *, 4.11.3+24-g14b62ab3e5-1ubuntu1, 4.11.3+24-g14b62ab3e5-1ubuntu2 |
| Ubuntu:18.04:LTS | xen | 4.9.0-0ubuntu4, 4.9.2-0ubuntu1, 4.9.0-0ubuntu3 |
| Ubuntu:16.04:LTS | xen | 4.5.1-0ubuntu1, 4.6.5-0ubuntu1.2, 4.5.1-0ubuntu2 |
Exploit Intelligence
- https://xenbits.xenproject.org/xsa/advisory-330.txt (circl)
- DSA-4812 (circl)
- FEDORA-2020-64859a826b (circl)
- FEDORA-2020-df772b417b (circl)
Timeline
- Dec 15, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-29485 third-party-advisory
- https://xenbits.xen.org/xsa/advisory-330.html third-party-advisory
- https://www.debian.org/security/2020/dsa-4812 third-party-advisory
- https://xenbits.xenproject.org/xsa/advisory-330.txt third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-29485 third-party-advisory