Description
snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | snapd | unspecified – ≤ 2.54.2 | — |
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 | 2.54-1 | — |
| Debian 13 | snapd | 2.54-1 | — |
| Debian 12 | snapd | 2.54-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | snapd | 2.54.3+20.04.1 | USN-5292-2, USN-5292-1 |
| Ubuntu 18.04 LTS | snapd | 2.54.3+18.04 | USN-5292-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | snapd | 2.54.3+16.04~esm2 | USN-5292-3 |
| Ubuntu Pro 14.04 LTS | snapd | 2.54.3+14.04~esm1 | USN-5292-3 |
Advisories 3
- USN-5292-3 snapd vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-5292-1 snapd vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-5292-2 snapd vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026