CVE-2020-27674
MEDIUM5.3EPSS 0.07%發布日:2020/10/22修改日:2025/12/3
也稱為:ALPINE-CVE-2020-27674DEBIAN-CVE-2020-27674
描述
An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.
受影響套件(2)
- Alpine/xenfrom 0, < 4.12.4-r0
- Debian/xenfrom 0, < 4.14.0+80-gd101b417b7-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |