VDB
ALPINE-CVE-2020-29568
ALPINE-CVE-2020-29568
PUBLISHED
CVSS 6.5 MEDIUM
An issue was discovered in Xen through 4.14.x. Some OSes (such as Linux, FreeBSD, and NetBSD) are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OOM in the backend. All systems with a FreeBSD, Linux, or NetBSD (any version) dom0 are vulnerable.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.13 | linux-lts | 5.4.6-r0, 5.4.7-r0, 5.4.70-r0 |
| Alpine:v3.21 | xen | 0, 0, 0 |
| Alpine:v3.23 | xen | 0, 0, 0 |
| Alpine:v3.16 | xen | 0, 0, 0 |
| Alpine:v3.19 | xen | 0, 0, 0 |
| Alpine:v3.22 | linux-lts | 5.4.50-r0, 5.4.54-r1, 5.4.57-r0 |
| Alpine:v3.13 | xen | 0, 0, 0 |
| Alpine:v3.23 | linux-lts | 5.10.2-r0, 0, 5.10.1-r1 |
| Alpine:v3.14 | linux-lts | 0, 5.4.82-r0, 5.4.81-r0 |
| Alpine:v3.16 | linux-lts | 5.4.12-r1, 0, 5.10.0-r0 |
| Alpine:v3.17 | xen | 0, 0, 0 |
| Alpine:v3.19 | linux-lts | 5.4.45-r0, 5.4.44-r0, 5.4.43-r1 |
| Alpine:v3.21 | linux-lts | 5.4.31-r0, 5.4.82-r0, 5.4.81-r0 |
| Alpine:v3.18 | xen | 0, 0, 0 |
| Alpine:v3.22 | xen | 0, 0, 0 |
| Alpine:v3.18 | linux-lts | 5.4.82-r0, 5.4.58-r0, 5.4.61-r1 |
| Alpine:v3.14 | xen | 0, 0, 0 |
| Alpine:v3.20 | linux-lts | 5.10.0-r0, 5.4.54-r1, 5.4.54-r2 |
| Alpine:v3.17 | linux-lts | 5.4.51-r0, 5.4.27-r0, 5.4.25-r0 |
| Alpine:v3.15 | xen | 0, 0, 0 |
…and 2 more
Timeline
- Dec 15, 2020 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch