kernel: ipc: limit next_id allocation to the valid ID range

A flaw was found in the Linux kernel. The ipcidralloc function, used in the checkpoint/restore path for SysV Inter-Process Communication IPC ID allocation, does not properly limit ID allocation to the valid range. This can result in the system attempting to dereference freed memory, leading to a...

The vulnerability of the ipc_idr_alloc() function in the Linux operating system allows a hacker to increase their privileges.

The vulnerability of the ipcidralloc function in the Linux operating system is related to improper memory release. Exploiting this vulnerability can allow an attacker to enhance their privileges...