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CVE-2021-3732

CVE-2021-3732

EPSS 0.3%CWE-200
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.
Affected products
n/a · kernel

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References
https://bugzilla.redhat.com/show_bug.cgi?id=1995249https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631https://ubuntu.com/security/CVE-2021-3732