Description
An External Control of File Name or Path vulnerability in smb4k allowsl ocal users to perform a local root exploit via smb4k mounthelper if they can access and control the contents of a Samba shareThis issue affects smb4k: from ? before 4.0.5.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| https://github.com/KDE/ | smb4k | ? – < 4.0.5 | 4.0.5 |
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 | smb4k | 4.0.5-1 | — |
| Debian 13 | smb4k | 4.0.0-1+deb13u1 | DSA-6092-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | smb4k | No fix yet | — |
| Ubuntu 26.04 LTS | smb4k | No fix yet | — |
| Ubuntu 25.10 | smb4k | No fix yet | — |
| Ubuntu 24.04 LTS | smb4k | No fix yet | — |
| Ubuntu 22.04 LTS | smb4k | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | smb4k | No fix yet | — |
| Ubuntu 18.04 LTS | smb4k | No fix yet | — |
| Ubuntu 16.04 LTS | smb4k | No fix yet | — |
Advisories 1
- DSA-6092-1 smb4k - security update Debian Security (DSA / DLA) · Jan 1, 2026