Description
smbfs in Linux kernel 2.6.8 and other versions, and 2.4.x before 2.4.34, when UNIX extensions are enabled, ignores certain mount options, which could cause clients to use server-specified uid, gid and mode settings.
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-2.4.27 | 2.4.27-10sarge5 | DSA-1237-1 |
| Debian 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge6 | DSA-1233-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +6 | 2.6.9-22.EL | RHSA-2005:514 |
Advisories 3
- RHSA-2005:514 Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 2 Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1237-1 kernel-source-2.4.27 - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1233-1 kernel-source-2.6.8 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- oval:org.mitre.oval:def:10171 vdb-entry signature
- 23361 third-party-advisory
- 25683 third-party-advisory
- DSA-1237 vendor-advisory
- 23370 third-party-advisory
- DSA-1233 vendor-advisory
- 21523 vdb-entry
- 23395 third-party-advisory
- SUSE-SA:2007:035 vendor-advisory