Description
Integer overflow in the invalidate_inode_pages2_range function in mm/truncate.c in Linux kernel 2.6.11 to 2.6.14 allows local users to cause a denial of service (hang) via 64-bit mmap calls that are not properly handled on a 32-bit system.
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.x - INVALIDATE_INODE_PAGES2 Local Integer Overflow EDB-26811 · dos · Dec 13, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 18788 third-party-advisory
- http://www.kernel.org/hg/linux-2.6/?cs=6d5ffbb49406
- 19038 third-party-advisory
- 15846 vdb-entry
- 18203 third-party-advisory
- SUSE-SA:2006:006 vendor-advisory
- [linux-kernel] 20051123 32bit integer overflow in invalidate_inode_pages2() (local DoS) mailing-list
- SUSE-SA:2006:012 vendor-advisory
- MDKSA-2006:018 vendor-advisory
- FEDORA-2005-1138 vendor-advisory
- USN-231-1 vendor-advisory