CVE-2020-29570
MEDIUM6.2EPSS 0.06%發布日:2020/12/15修改日:2025/12/3
也稱為:ALPINE-CVE-2020-29570DEBIAN-CVE-2020-29570
描述
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.
受影響套件(2)
- Alpine/xenfrom 0, < 4.13.2-r3
- Debian/xenfrom 0, < 4.14.0+88-g1d1d1f5391-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |