Source: snapd
Version: 2.68.3-3
Severity: grave
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for snapd.

CVE-2026-3888[0]:
| Local privilege escalation in snapd on Linux allows local attackers
| to get root privilege by re-creating snap's private /tmp directory
| when systemd-tmpfiles is configured to automatically clean up this
| directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04
| LTS, 22.04 LTS, and 24.04 LTS.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-3888
    https://www.cve.org/CVERecord?id=CVE-2026-3888
[1] https://www.openwall.com/lists/oss-security/2026/03/17/8

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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