Description
Race condition in snap-confine's must_mkdir_and_open_with_perms()
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | snapd | < 2.61.1 | 2.61.1 |
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 | 2.57.6-1 | — |
| Debian 13 | snapd | 2.57.6-1 | — |
| Debian 12 | snapd | 2.57.6-1 | — |
| Debian 11 | snapd | 2.49-1+deb11u2 | DSA-5292-1 |
| Debian 10 | snapd | 2.37.4-1+deb10u2 | DLA-3215-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | snapd | 2.57.5+22.04ubuntu0.1 | USN-5753-1 |
| Ubuntu 20.04 LTS | snapd | 2.57.5+20.04ubuntu0.1 | USN-5753-1 |
| Ubuntu 18.04 LTS | snapd | 2.57.5+18.04ubuntu0.1 | USN-5753-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | snapd | 2.54.3+16.04.0ubuntu0.1~esm5 | USN-5753-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
Mr-xn/CVE-2022-3328 ★ 4 · Dec 1, 2022
CVE-2022-3328 with CVE-2022-41974 and CVE-2022-41973
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/snapcore/snapd | < 2.57.6 | 2.57.6 | GHSA-cjqf-877p-7m3f |
| Go | github.com/snapcore/snapd | all versions | — | GO-2024-2468 |
Advisories 4
- USN-5753-1 snapd vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5292-1 snapd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3215-1 snapd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2022-2224 Canonical Snap: Schwachstelle ermöglicht Privilegieneskalation BSI CERT-Bund (WID) · Jan 8, 2024
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3328 issue-tracking
- https://ubuntu.com/security/notices/USN-5753-1 third-party-advisory