KNOWN EXPLOITED VULNERABILITY
CISA KEV 处置信息
已确认在野利用
- 加入 KEV
- 2022/10/20
- 整改期限
- 2022/11/10已逾期 1440 天
- CISA 厂商
- Linux
- CISA 产品
- Kernel
要求采取的措施
Apply updates per vendor instructions.
CISA 说明
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7c03e2cda4a584cadc398e8f6641ca9988a39d52; https://nvd.nist.gov/vuln/detail/CVE-2021-3493
漏洞描述
The overlayfs stacking file system in Linux kernel does not properly validate the application of file capabilities against user namespaces, which could lead to privilege escalation.
影响产品
暂无结构化产品信息。
修复建议
Apply updates per vendor instructions.