Linux · Linux Kernel · CVE-2023-1252
**Name of the Vulnerable Software and Affected Versions**
Linux kernel (affected versions not specified)
**Description**
A use-after-free flaw was found in the Linux kernel’s Ext4 File System related to the overlay FS usage. This issue allows a local user to crash or potentially escalate their privileges on the system. The flaw is associated with the `ovl write iter()` function of the overlayfs file system and the use of memory after it has been freed.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.