Description
In snapd 2.27 through 2.29.2 the 'snap logs' command could be made to call journalctl without match arguments and therefore allow unprivileged, unauthenticated users to bypass systemd-journald's access restrictions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | snapd | 2.27 through 2.29.2 | — |
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 | snapd | 2.30-1 | — |
| Debian 13 | snapd | 2.30-1 | — |
| Debian 12 | snapd | 2.30-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | snapd | 2.29.4.2 | — |
| Ubuntu 14.04 LTS | snapd | 2.29.4.2~14.04 | — |