CVE-2021-3732

Medium

Description

A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedMar 10, 2022
First seenMar 10, 2022

How to fix

Update
  • linux linux_kernel5.14 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 5.14, 5.145.14

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