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Actively Exploited Vulnerabilities

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CVE-2021-3493

Linux | KernelAdded 2022-10-20Remediation Deadline 2022-11-10

Linux Kernel Privilege Escalation Vulnerability

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.

Required Action

Apply updates per vendor instructions.

Weakness Classification

CWE-862

References