Description
The NTFS filesystem code in Linux kernel 2.6.x up to 2.6.18, and possibly other versions, allows local users to cause a denial of service (CPU consumption) via a malformed NTFS file stream that triggers an infinite loop in the __find_get_block_slow function.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge7 | DSA-1304-1 |
Advisories 1
- DSA-1304-1 kernel-source-2.6.8 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://projects.info-pull.com/mokb/MOKB-19-11-2006.html
- SUSE-SA:2006:079 vendor-advisory
- kernel-ntfs-dos(30418) vdb-entry
- 23474 third-party-advisory
- 20070615 rPSA-2007-0124-1 kernel xen mailing-list
- DSA-1304 vendor-advisory
- 25714 third-party-advisory
- 25691 third-party-advisory