Description
Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Debian | schroot | unspecified – < 1.6.13 | 1.6.13 |
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 | schroot | 1.6.12-2 | — |
| Debian 13 | schroot | 1.6.12-2 | — |
| Debian 12 | schroot | 1.6.12-2 | — |
| Debian 11 | schroot | 1.6.10-12+deb11u1 | DSA-5213-1 |
| Debian 10 | schroot | 1.6.10-6+deb10u1 | DLA-3075-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | schroot | 1.6.10-12ubuntu3.1 | USN-5584-1 |
| Ubuntu 20.04 LTS | schroot | 1.6.10-9ubuntu0.1 | USN-5584-1 |
| Ubuntu 18.04 LTS | schroot | 1.6.10-4ubuntu0.1 | USN-5584-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | schroot | 1.6.10-1ubuntu3+esm1 | USN-5584-1 |
Advisories 3
- USN-5584-1 schroot vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5213-1 schroot - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3075-1 schroot - security update Debian Security (DSA / DLA) · Mar 9, 2026