What is the vulnerability ID of this issue?

The vulnerability ID of this issue is USN-3934-2.

What software is affected by this vulnerability?

The affected software includes Policykit and libpolkit-backend-1-0.

What is the severity of this vulnerability?

Please refer to the Ubuntu security notices at the provided links for information about the severity of this vulnerability.

How do I fix the vulnerability?

To fix the vulnerability, update the Policykit and libpolkit-backend-1-0 packages to version 0.104-1ubuntu1.5 or later.

Are there any references for more information?

Yes, you can find more information about this vulnerability at the following links: - [CVE-2019-6133](https://ubuntu.com/security/CVE-2019-6133) - [USN-3903-2](https://ubuntu.com/security/notices/USN-3903-2) - [USN-3934-1](https://ubuntu.com/security/notices/USN-3934-1)

Vulnerability/
USN-3934-2

2/9/2019

USN-3934-2: PolicyKit vulnerability

First published: Mon Sep 02 2019(Updated: )

USN-3934-1 fixed a vulnerability in Policykit. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory 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.

Affected Software	Affected Version	How to fix
All of
ubuntu/policykit-1	<0.104-1ubuntu1.5	0.104-1ubuntu1.5
Ubuntu OpenSSH Client	=12.04
All of
ubuntu/libpolkit-backend-1-0	<0.104-1ubuntu1.5	0.104-1ubuntu1.5
Ubuntu OpenSSH Client	=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2019-6133

Frequently Asked Questions

What is the vulnerability ID of this issue?
The vulnerability ID of this issue is USN-3934-2.
What software is affected by this vulnerability?
The affected software includes Policykit and libpolkit-backend-1-0.
What is the severity of this vulnerability?
Please refer to the Ubuntu security notices at the provided links for information about the severity of this vulnerability.
How do I fix the vulnerability?
To fix the vulnerability, update the Policykit and libpolkit-backend-1-0 packages to version 0.104-1ubuntu1.5 or later.
Are there any references for more information?
Yes, you can find more information about this vulnerability at the following links: - [CVE-2019-6133](https://ubuntu.com/security/CVE-2019-6133) - [USN-3903-2](https://ubuntu.com/security/notices/USN-3903-2) - [USN-3934-1](https://ubuntu.com/security/notices/USN-3934-1)

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