Ubuntu alert USN-3934-1 (policykit-1)
| From: | Marc Deslauriers <marc.deslauriers@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-3934-1] PolicyKit vulnerability | |
| Date: | Wed, 3 Apr 2019 09:04:50 -0400 | |
| Message-ID: | <795ced72-7486-500b-3253-cdb6f667b57d@canonical.com> |
========================================================================== Ubuntu Security Notice USN-3934-1 April 03, 2019 policykit-1 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: PolicyKit could allow unintended access. Software Description: - policykit-1: framework for managing administrative policies and privileges Details: It was discovered that PolicyKit incorrectly relied on the fork() system call in the Linux kernel being atomic. A local attacker could possibly use this issue to gain access to services that have cached authorizations. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: libpolkit-backend-1-0 0.105-21ubuntu0.4 policykit-1 0.105-21ubuntu0.4 Ubuntu 18.04 LTS: libpolkit-backend-1-0 0.105-20ubuntu0.18.04.5 policykit-1 0.105-20ubuntu0.18.04.5 Ubuntu 16.04 LTS: libpolkit-backend-1-0 0.105-14.1ubuntu0.5 policykit-1 0.105-14.1ubuntu0.5 Ubuntu 14.04 LTS: libpolkit-backend-1-0 0.105-4ubuntu3.14.04.6 policykit-1 0.105-4ubuntu3.14.04.6 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3934-1 CVE-2019-6133 Package Information: https://launchpad.net/ubuntu/+source/policykit-1/0.105-21... https://launchpad.net/ubuntu/+source/policykit-1/0.105-20... https://launchpad.net/ubuntu/+source/policykit-1/0.105-14... https://launchpad.net/ubuntu/+source/policykit-1/0.105-4u... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...