Description
Bubblewrap before 0.1.3 sets the PR_SET_DUMPABLE flag, which might allow local users to gain privileges by attaching to the process, as demonstrated by sending commands to a PrivSep socket.
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 | bubblewrap | 0.1.2-2 | — |
| Debian 13 | bubblewrap | 0.1.2-2 | — |
| Debian 12 | bubblewrap | 0.1.2-2 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | flatpak | 0.6.14-1.1 | openSUSE-SU-2024:10386-1 |
Advisories 1
- openSUSE-SU-2024:10386-1 flatpak-0.6.14-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [oss-security] 20161013 Re: bubblewrap LPE mailing-list
- https://github.com/projectatomic/bubblewrap/issues/107
- [oss-security] 20161012 bubblewrap LPE mailing-list
- 93542 vdb-entry