CVE-2023-2008 Information

Description

A flaw was found in the Linux kernel’s udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

Reference

https://www.zerodayinitiative.com/advisories/ZDI-23-441/ https://github.com/torvalds/linux/commit/05b252cccb2e5c3f56119d25de684b4f810ba4 https://bugzilla.redhat.com/show_bug.cgiid=2186862