CVE-2017-14319
8.8
HIGH
CVSS 3.1
EPSS 0.41%
描述
A grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence of the mapping nor page writability were taken into account.
如何修補 CVE-2017-14319
要修補 CVE-2017-14319,請將受影響套件升級到下列已修補版本。
- —升級至 4.9.0-r4 或更新版本
- —升級至 4.8.2+xsa245-0+deb9u1 或更新版本
CVE-2017-14319 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 4.9.0-r4
- from 0, < 4.8.2+xsa245-0+deb9u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |