Description
Multiple "range checking flaws" in the ISO9660 filesystem handler in Linux 2.6.11 and earlier may allow attackers to cause a denial of service or corrupt memory via a crafted filesystem.
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 4 | kernel +6 | 2.6.9-5.0.5.EL | RHSA-2005:366 |
| RHEL 3 | kernel +8 | 2.4.21-37.EL | RHSA-2005:663 |
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.x/2.6.x - Multiple ISO9660 Filesystem Handling Vulnerabilities EDB-25234 · dos · Mar 17, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- RHSA-2005:663 Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 3 Update 6 Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:366 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 18684 third-party-advisory
- kernel-iso9660-filesystem(19741) vdb-entry
- RHSA-2005:366 vendor-advisory
- 12837 vdb-entry
- http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.12-rc1
- RHSA-2006:0190 vendor-advisory
- 20050317 Linux ISO9660 handling flaws mailing-list
- 17002 third-party-advisory
- FLSA:152532 vendor-advisory
- MDKSA-2006:072 vendor-advisory
- RHSA-2005:663 vendor-advisory
- ADV-2005-1878 vdb-entry
- oval:org.mitre.oval:def:9307 vdb-entry signature
- RHSA-2006:0191 vendor-advisory