CVE-2021-3493

Medium

Open

KEV

TLP:CLEAR

Linux Kernel Privilege Escalation Vulnerability

NVD CVE.org

Critical Infrastructure

AI Analysis

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Description

Linux — Kernel — 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.

Details

EPSS Score ⓘ: 49.17%

98.8th percentile
Confidence: 100%
CISA KEV
Date Added: Oct 20, 2022
Patch Due: Nov 10, 2022
Required Action: Apply updates per vendor instructions.

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