Description
Buffer overflow in the perf_copy_attr function in kernel/perf_counter.c in the Linux kernel 2.6.31-rc1 allows local users to cause a denial of service (crash) and execute arbitrary code via a "big size data" to the perf_counter_open system call.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Linux Kernel 2.6.31 - 'perf_counter_open()' Local Buffer Overflow EDB-33228 · dos · Sep 16, 2009 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 36423 vdb-entry
- [linux-kernel] 20090916 [patch 15/45] perf_counter: Fix buffer overflow in perf_copy_attr() mailing-list
- [oss-security] 20090917 Re: CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() mailing-list
- [oss-security] 20090916 CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() mailing-list