PT-2021-7323 · Linux+9 · Linux Kernel Overlayfs Subsystem+9
CVSS v4.0
5.8
Medium
| Vector | AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
Linux kernel OverlayFS subsystem (affected versions not specified)
Description
A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific ways with OverlayFS. This issue could allow a local user to crash the system. The vulnerability is related to incorrect synchronization when accessing shared resources.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Race Condition
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Linuxmint
Linux Kernel Overlayfs Subsystem
Red Hat
Rocky Linux
Suse
Ubuntu