Ubuntu Security Notices

Developers issue an Ubuntu Security Notice when a security issue is fixed in an official Ubuntu package. You can find additional guidance for high-profile vulnerabilities in the Ubuntu Vulnerability Knowledge Base section.

To report a security vulnerability in an Ubuntu package, please contact the Security Team.

The Security Team also produces OVAL files for each Ubuntu release. These are an industry-standard machine-readable format dataset that contain details of all known security vulnerabilities and fixes relevant to the Ubuntu release, and can be used to determine whether a particular patch is appropriate. OVAL files can also be used to audit a system to check whether the latest security fixes have been applied.

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25 October 2011

Several security issues were fixed in the kernel.

  • Ubuntu 10.10

25 October 2011

Several security issues were fixed in the kernel.

  • Ubuntu 10.10

25 October 2011

Several security issues were fixed in the kernel.

  • Ubuntu 10.04

25 October 2011

Several security issues were fixed in the kernel.

  • Ubuntu 10.04

25 October 2011

Several security issues were fixed in the kernel.

  • Ubuntu 10.04

25 October 2011

Several security issues were fixed in the kernel.

  • Ubuntu 10.04

24 October 2011

The Puppet primary server could be impersonated in certain configurations.

  • Ubuntu 11.10 ,
  • 11.04 ,
  • 10.10 ,
  • 10.04

CVE ID

CVE-2011-3872


24 October 2011

PAM could be made to crash or run programs as an administrator.

  • Ubuntu 11.10 ,
  • 11.04 ,
  • 10.10 ,
  • 10.04 ,
  • 8.04

20 October 2011

The X server could be made to crash or run programs as an administrator.

  • Ubuntu 10.10 ,
  • 10.04

CVE ID

CVE-2010-4818


20 October 2011

Multiple kernel flaws have been fixed.

  • Ubuntu 8.04


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