CVE-2021-4122
cryptsetup - security update
4.3
MEDIUM
CVSS 3.1
EPSS 0.28%
描述
It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium.
如何修補 CVE-2021-4122
要修補 CVE-2021-4122,請將受影響套件升級到下列已修補版本。
- —升級至 2.3.7-r0 或更新版本
CVE-2021-4122 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(1)
- >= 2.4.0, < 2.3.7-r0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |