Red Hat: CVE-2021-3732: CVE-2021-3732 kernel: overlayfs: Mounting overlayfs inside an unprivileged user namespace can reveal files (Multiple Advisories)
2
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
11/09/2021
11/11/2021
11/10/2021
03/13/2024
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.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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