Description
An issue was discovered in evaluate_auto_mountpoint in btrfsmaintenance-functions in btrfsmaintenance through 0.4.1. Code execution as root can occur via a specially crafted filesystem label if btrfs-{scrub,balance,trim} are set to auto in /etc/sysconfig/btrfsmaintenance (this is not the default, though).
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 | btrfsmaintenance | 0.4.1-2 | — |
| Debian 13 | btrfsmaintenance | 0.4.1-2 | — |
| Debian 12 | btrfsmaintenance | 0.4.1-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | btrfsmaintenance | No fix yet | — |
| Ubuntu 26.04 LTS | btrfsmaintenance | No fix yet | — |
| Ubuntu 25.10 | btrfsmaintenance | No fix yet | — |
| Ubuntu 24.04 LTS | btrfsmaintenance | No fix yet | — |
| Ubuntu 22.04 LTS | btrfsmaintenance | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | btrfsmaintenance | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | btrfsmaintenance | 0.5-2.5 | openSUSE-SU-2024:10662-1 |
Advisories 1
- openSUSE-SU-2024:10662-1 btrfsmaintenance-0.5-2.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugzilla.suse.com/show_bug.cgi?id=1102721
- [oss-security] 20180814 CVE-2018-14722: btrfsmaintenance: Code execution mailing-list
- [oss-security] 20190627 Re: linux-distros membership application - Microsoft mailing-list
- [oss-security] 20190628 Re: linux-distros membership application - Microsoft mailing-list
- [oss-security] 20190628 Re: linux-distros membership application - Microsoft mailing-list