CVE-2023-1252 Information

Description

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 (\ovl: fix use after free in struct ovl_aio_req) not applied yet the kernel could be affected.

Reference

https://lore.kernel.org/lkml/20211115165433.449951285@linuxfoundation.org/