VDB
ALPINE-CVE-2020-29485
ALPINE-CVE-2020-29485
PUBLISHED
CVSS 5.5 MEDIUM
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.
Risk Scores
CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.12 | xen | 4.9.1-r3, 4.9.1-r2, 4.9.1-r1 |
| Alpine:v3.15 | xen | 4.2.0-r6, 4.2.0-r5, 4.2.0-r3 |
| Alpine:v3.18 | xen | 4.7.0-r2, 4.7.0-r4, 4.7.0-r5 |
| Alpine:v3.21 | xen | 4.0.1-r3, 4.9.1-r2, 4.9.1-r1 |
| Alpine:v3.23 | xen | 4.12.1-r1, 4.12.1-r0, 4.12.0-r3 |
| Alpine:v3.20 | xen | 4.12.1-r2, 0, 4.0.1-r0 |
| Alpine:v3.11 | xen | 4.7.0-r3, 4.7.0-r4, 4.7.0-r5 |
| Alpine:v3.16 | xen | 4.7.0-r1, 4.7.0-r4, 4.7.0-r5 |
| Alpine:v3.17 | xen | 4.7.0-r3, 4.7.0-r4, 4.7.0-r5 |
| Alpine:v3.19 | xen | 4.0.1-r1, 0, 4.9.1-r3 |
| Alpine:v3.14 | xen | 4.7.0-r3, 4.9.1-r3, 4.9.1-r2 |
| Alpine:v3.22 | xen | 4.0.1-r1, 0, 4.7.0-r4 |
| Alpine:v3.13 | xen | 4.9.1-r3, 4.7.0-r3, 4.7.0-r4 |
Timeline
- Dec 15, 2020 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch