CVE-2021-41220
Use after free in `CollectiveReduceV2`
7.8
HIGH
CVSS 3.1
EPSS 0.20%
描述
TensorFlow is an open source platform for machine learning. In affected versions the async implementation of `CollectiveReduceV2` suffers from a memory leak and a use after free. This occurs due to the asynchronous computation and the fact that objects that have been `std::move()`d from are still accessed. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, as this version is the only one that is also affected.
如何修補 CVE-2021-41220
要修補 CVE-2021-41220,請將受影響套件升級到下列已修補版本。
- —升級至 2.6.1 或更新版本
- —升級至 2.6.1 或更新版本
- —升級至 2.6.1 或更新版本
CVE-2021-41220 正在被利用嗎?
低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- >= 2.6.0, < 2.6.1
- >= 2.6.0, < 2.6.1
- >= 2.6.0, < 2.6.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |