CVE-2020-29485
MEDIUM5.5EPSS 0.06%Published: 12/15/2020Modified: 12/3/2025
Also known as:ALPINE-CVE-2020-29485DEBIAN-CVE-2020-29485
Description
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.
Affected packages (2)
- Alpine/xenfrom 0, < 4.13.2-r3
- Debian/xenfrom 0, < 4.14.0+88-g1d1d1f5391-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |