this post was submitted on 18 Mar 2026
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Ubuntu's Snap Affected By Local Privilege Escalation Vulnerability (www.phoronix.com)
submitted 11 hours ago by cm0002@suppo.fi to c/linux@programming.dev
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Last week it was security issues with AppArmor to worry about on Ubuntu Linux while this week a "high" rated vulnerability for Ubuntu's Snap daemon has been revealed.

CVE-2026-3888 was made public yesterday as a local privilege escalation affecting Snapd on ubuntu. Those with local user access can obtain root privileges by recreating Snap's private /tmp directory when systemd-tmpfiles is enabled.

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[โ€“] eclipse7@feddit.nu 13 points 10 hours ago (1 children)

Oh snap

[โ€“] Sturgist@piefed.ca 3 points 8 hours ago

I see what you did there.