CVE-2022-42309
8.8
HIGH
CVSS 3.1
EPSS 0.27%
描述
Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.
如何修補 CVE-2022-42309
要修補 CVE-2022-42309,請將受影響套件升級到下列已修補版本。
- —升級至 4.14.5-r6 或更新版本
- —升級至 4.14.5+86-g1c354767d5-1 或更新版本
CVE-2022-42309 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 4.14.5-r6
- from 0, < 4.14.5+86-g1c354767d5-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |