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CVE-2021-4083

Description

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.


Affected Package


OS OS Version Package Name Package Version
Debian 12 linux 5.18.5-1
Debian 11 linux 5.10.106-1
Debian 10 linux 4.19.235-1
Debian 999 linux 5.18.5-1
Debian 9 linux 4.9.228-1
Debian 9 linux-4.19 4.19.232-1~deb9u1

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