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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USN-5391-1: libsepol vulnerabilities

27 April 2022

Several security issues were fixed in libsepol.

  • Ubuntu 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS

CVE ID

CVE-2021-36086, CVE-2021-36085, CVE-2021-36084 + 1 other

USN-5388-2: OpenJDK vulnerabilities

26 April 2022

Several security issues were fixed in OpenJDK.

  • Ubuntu 22.04 LTS,
  • 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-21476, CVE-2022-21449, CVE-2022-21434 + 3 others

USN-5388-1: OpenJDK vulnerabilities

26 April 2022

Several security issues were fixed in OpenJDK.

  • Ubuntu 22.04 LTS,
  • 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-21434, CVE-2022-21426, CVE-2022-21496 + 2 others

USN-5376-3: Git regression

26 April 2022

UNS-5376-1 was missing patches to properly fix the addressed issues.

  • Ubuntu 22.04 LTS,
  • 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

USN-5387-1: Barbican vulnerabilities

25 April 2022

Several security issues were fixed in barbican.

  • Ubuntu 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-23452, CVE-2022-23451

USN-5383-1: Linux kernel vulnerabilities

20 April 2022

Several security issues were fixed in the Linux kernel.

  • Ubuntu 21.10 ,
  • 20.04 LTS

CVE ID

CVE-2022-1015, CVE-2022-1016, CVE-2022-0617 + 5 others

USN-5382-1: libinput vulnerability

20 April 2022

libinput could be made to crash or expose sensitive information.

  • Ubuntu 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-1215

USN-5378-2: XZ Utils vulnerability

13 April 2022

XZ Utils could be made to overwrite arbitrary files.

  • Ubuntu 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-1271

USN-5378-1: Gzip vulnerability

13 April 2022

Gzip could be made to overwrite arbitrary files.

  • Ubuntu 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-1271

USN-5376-1: Git vulnerability

12 April 2022

Git could be made to run arbitrary commands in platforms with multiple users support.

  • Ubuntu 21.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-24765

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