Description
smbd in Samba 3.3.11, 3.4.6, and 3.5.0, when libcap support is enabled, runs with the CAP_DAC_OVERRIDE capability, which allows remote authenticated users to bypass intended file permissions via standard filesystem operations with any client.
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 14 | samba | 2:3.4.7~dfsg-1 | — |
| Debian 13 | samba | 2:3.4.7~dfsg-1 | — |
| Debian 12 | samba | 2:3.4.7~dfsg-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | cifs-utils | 6.5-1.5 | openSUSE-SU-2024:10334-1 |
| openSUSE Tumbleweed | samba | 4.5.0-1.1 | openSUSE-SU-2024:10069-1 |
Advisories 2
- openSUSE-SU-2024:10069-1 ctdb-4.5.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10334-1 cifs-utils-6.5-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [samba-announce] 20100308 Security problem with Samba on Linux - affects 3.5.0, 3.4.6 and 3.3.11 mailing-list
- http://www.samba.org/samba/security/CVE-2010-0728
- http://www.samba.org/samba/history/samba-3.4.7.html
- https://bugzilla.samba.org/show_bug.cgi?id=7222
- http://www.samba.org/samba/history/samba-3.3.12.html
- http://www.samba.org/samba/history/samba-3.5.1.html