authd vulnerability
Published: Mon, 27 Apr 2026 15:39
Summary
authd could be made to escalate privileges.
Details
It was discovered that authd incorrectly assigned the primary group ID to users under certain conditions. A local attacker could possibly use this issue to achieve privilege escalation, or gain unauthorized access to files belonging to other users.
Recommended actions per Ubuntu release
StackPatch playbook auto-generated per release codename and per affected package.
Ubuntu resolute
authd→0.6.1ubuntu0.1apt_upgradeStandard apt upgrade. Install 0.6.1ubuntu0.1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y authd
Most apt upgrades restart their service automatically. needrestart lists anything else.
authd→0.6.1ubuntu0.1apt_upgradeStandard apt upgrade. Install 0.6.1ubuntu0.1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y authd
Most apt upgrades restart their service automatically. needrestart lists anything else.
Are YOU affected by USN-8212-1?
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curl https://mindsparkstack.com/scan.sh | bash
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