The vulnerability of the free_pipe_info function in the fs/pipe.c file of the Linux kernel allows a hacker to increase their privileges.

The vulnerability of the freepipeinfo function in the fs/pipe.c file of the Linux kernel relates to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to increase their privileges...

kernel: use-after-free in free_pipe_info() could lead to privilege escalation

A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe postonenotification after freepipeinfo that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system...