VDB
DEBIAN-CVE-2020-29570
DEBIAN-CVE-2020-29570
PUBLISHED
CVSS 6.199999809265137 MEDIUM
An issue was discovered in Xen through 4.14.x. Recording of the per-vCPU control block mapping maintained by Xen and that of pointers into the control block is reversed. The consumer assumes, seeing the former initialized, that the latter are also ready for use. Malicious or buggy guest kernels can mount a Denial of Service (DoS) attack affecting the entire system.
Risk Scores
CVSS v3.1
6.199999809265137
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | xen | 0, 0, 0 |
| Debian:11 | xen | 0, 0, 0 |
| Debian:12 | xen | 0, 0, 0 |
| Debian:14 | xen | 0, 0, 0 |
Timeline
- Dec 15, 2020 CVE Published
- Apr 28, 2026 CVE Updated