Description
Linux kernel does not properly convert 64-bit file offset pointers to 32 bits, which allows local users to access portions of kernel memory.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | kernel +8 | 2.4.21-15.0.4.EL | RHSA-2004:413 |
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 2.4.26 - File Offset Pointer Handling Memory Disclosure EDB-375 · local · Aug 4, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- RHSA-2004:413 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- RHSA-2004:413 vendor-advisory
- RHSA-2004:418 vendor-advisory
- GLSA-200408-24 vendor-advisory
- oval:org.mitre.oval:def:9965 vdb-entry signature
- CLA-2004:879 vendor-advisory
- linux-pointer-info-disclosure(16877) vdb-entry
- MDKSA-2004:087 vendor-advisory