Summary
USN-8102-1 fixed a vulnerability in snapd. The update caused a regresision for
Ubuntu 24.04 LTS while installing the package. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Qualys discovered that snapd incorrectly handled certain operations in the
snap's private /tmp directory. If systemd-tmpfiles is enabled to automatically
clean up this directory, a local attacker could possibly use this issue to
re-create the deleted directory, resulting in privilege escalation.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 24.04 LTS 24.04:LTS | snapd | 2.73+ubuntu24.04.2 |
Vulnerabilities 1
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High 7.8CVE-2026-3888 Public exploit
Local Privilege Escalation in snapd
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…