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Ubuntu 24.10: USN-7099-1 critical: OpenJDK 21 denial of service

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Calendar Grey November 11, 2024
Scroller Ubuntu
Multiple vulnerabilities in OpenJDK 21 have been addressed for Ubuntu versions 20.04, 22.04, 24.04, and 24.10, notably including denial-of-service risks.
Several security issues were fixed in OpenJDK 21.

Summary

Several security issues were fixed in OpenJDK 21.

Software Description:

- openjdk-21: Open Source Java implementation

Details:

Andy Boothe discovered that the Networking component of OpenJDK 21 did not

properly handle access under certain circumstances. An unauthenticated

attacker could possibly use this issue to cause a denial of service.

(CVE-2024-21208)

It was discovered that the Hotspot component of OpenJDK 21 did not properly

handle vectorization under certain circumstances. An unauthenticated

attacker could possibly use this issue to access unauthorized resources

and expose sensitive information. (CVE-2024-21210, CVE-2024-21235)

It was discovered that the Serialization component of OpenJDK 21 did not

properly handle deserialization under certain circumstances. An

unauthenticated attacker could possibly use this issue to cause a denial

of service. (CVE-2024-21217)

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.10
   openjdk-21-jdk                  21.0.5+11-1ubuntu1~24.10
   openjdk-21-jdk-headless         21.0.5+11-1ubuntu1~24.10
   openjdk-21-jre                  21.0.5+11-1ubuntu1~24.10
   openjdk-21-jre-headless         21.0.5+11-1ubuntu1~24.10
   openjdk-21-jre-zero             21.0.5+11-1ubuntu1~24.10

Ubuntu 24.04 LTS
   openjdk-21-jdk                  21.0.5+11-1ubuntu1~24.04
   openjdk-21-jdk-headless         21.0.5+11-1ubuntu1~24.04
   openjdk-21-jre                  21.0.5+11-1ubuntu1~24.04
   openjdk-21-jre-headless         21.0.5+11-1ubuntu1~24.04
   openjdk-21-jre-zero             21.0.5+11-1ubuntu1~24.04

Ubuntu 22.04 LTS
   openjdk-21-jdk                  21.0.5+11-1ubuntu1~22.04
   openjdk-21-jdk-headless         21.0.5+11-1ubuntu1~22.04
   openjdk-21-jre                  21.0.5+11-1ubuntu1~22.04
   openjdk-21-jre-headless         21.0.5+11-1ubuntu1~22.04
   openjdk-21-jre-zero             21.0.5+11-1ubuntu1~22.04

Ubuntu 20.04 LTS
   openjdk-21-jdk                  21.0.5+11-1ubuntu1~20.04
   openjdk-21-jdk-headless         21.0.5+11-1ubuntu1~20.04
   openjdk-21-jre                  21.0.5+11-1ubuntu1~20.04
   openjdk-21-jre-headless         21.0.5+11-1ubuntu1~20.04
   openjdk-21-jre-zero             21.0.5+11-1ubuntu1~20.04

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart Java
applications to make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7099-1

  CVE-2024-21208, CVE-2024-21210, CVE-2024-21217, CVE-2024-21235

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7099-1

Package Information

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