Linux Kernel BadIRET Local Privilege Escalation

2018.03.02
Credit: Ren Kimura
Risk: High
Local: Yes
Remote: No
CWE: CWE-264


CVSS Base Score: 7.2/10
Impact Subscore: 10/10
Exploitability Subscore: 3.9/10
Exploit range: Local
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

# CVE-2014-9322 PoC for Linux kernel CVE-2014-9322 (a.k.a BadIRET) proof of concept for Linux kernel. This PoC uses only syscalls not any libraries, like pthread. Threads are implemented using raw Linux syscalls. [Raw Linux Threads via System Calls](http://nullprogram.com/blog/2015/05/15/) # Usage ``` $ make ``` **badiret.elf** is an ELF executable. **badiret.bin** is a raw binary that can be used as payload. # Reference [Exploiting “BadIRET” vulnerability (CVE-2014-9322, Linux kernel privilege escalation)](https://blogs.bromium.com/exploiting-badiret-vulnerability-cve-2014-9322-linux-kernel-privilege-escalation/)

References:

https://blogs.bromium.com/exploiting-badiret-vulnerability-cve-2014-9322-linux-kernel-privilege-escalation/
http://nullprogram.com/blog/2015/05/15/


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