CVE-2023-2008
HIGHLinux Kernel < 5.19 - Privilege Escalation via udmabuf Fault Handler Array Index Validation
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2023-2008. PoCs published by bluefrostsecurity.
AI-analyzed exploit summary This is a functional proof-of-concept exploit for CVE-2023-2008, targeting a heap overflow vulnerability in the Linux kernel's udmabuf driver. It leverages heap spraying and memory manipulation to achieve local privilege escalation by modifying the /etc/passwd file.
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.
Exploits (1)
This is a functional proof-of-concept exploit for CVE-2023-2008, targeting a heap overflow vulnerability in the Linux kernel's udmabuf driver. It leverages heap spraying and memory manipulation to achieve local privilege escalation by modifying the /etc/passwd file.
References (4)
Scores
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H