cve/2023/CVE-2023-0597.md

CVE-2023-0597

Description

A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.

POC

Reference

• http://www.openwall.com/lists/oss-security/2023/07/28/1

Github

• https://github.com/lrh2000/StackRot
• https://github.com/nomi-sec/PoC-in-GitHub