What is the significance of RHSA-2020:2970?

RHSA-2020:2970 addresses a vulnerability in OpenJDK 11 that allows a bypass of boundary checks in nio.Buffer due to concurrent access.

How do I fix the vulnerability RHSA-2020:2970?

To fix the vulnerability RHSA-2020:2970, update to the latest version of the java-11-openjdk package provided by Red Hat, specifically version 11-openjdk-11.0.8.10-0.el8_2 or later.

What systems are affected by RHSA-2020:2970?

The vulnerability RHSA-2020:2970 affects systems running the specified version of the java-11-openjdk packages on Red Hat Enterprise Linux 8.

What is the level of severity for RHSA-2020:2970?

The severity level for RHSA-2020:2970 is classified as moderate due to the nature of the vulnerabilities it addresses.

Is it safe to use OpenJDK 11 without applying the fix for RHSA-2020:2970?

Using OpenJDK 11 without applying the fix for RHSA-2020:2970 may expose systems to security risks and potential exploits related to the identified vulnerabilities.

Vulnerability/
RHSA-2020:2970

16/7/2020

23/5/2024

RHSA-2020:2970: Important: java-11-openjdk security and enhancement update

First published: Thu Jul 16 2020(Updated: )

The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.<br>Security Fix(es):<br><li> OpenJDK: Bypass of boundary checks in nio.Buffer via concurrent access (Libraries, 8238920) (CVE-2020-14583)</li> <li> OpenJDK: Incomplete bounds checks in Affine Transformations (2D, 8240119) (CVE-2020-14593)</li> <li> OpenJDK: Incorrect handling of access control context in ForkJoinPool (Libraries, 8237117) (CVE-2020-14556)</li> <li> OpenJDK: Excessive memory usage in ImageIO TIFF plugin (ImageIO, 8233239) (CVE-2020-14562)</li> <li> OpenJDK: Incomplete interface type checks in Graal compiler (Hotspot, 8236867) (CVE-2020-14573)</li> <li> OpenJDK: XML validation manipulation due to incomplete application of the use-grammar-pool-only feature (JAXP, 8242136) (CVE-2020-14621)</li> <li> OpenJDK: HostnameChecker does not ensure X.509 certificate names are in normalized form (JSSE, 8237592) (CVE-2020-14577)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Enhancement(s):<br><li> Add -static-libs subpackage with statically linked OpenJDK libraries (BZ#1848701)</li>

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Reference Links

https://access.redhat.com/errata/RHSA-2020:2970 (Advisory)

Frequently Asked Questions

What is the significance of RHSA-2020:2970?
RHSA-2020:2970 addresses a vulnerability in OpenJDK 11 that allows a bypass of boundary checks in nio.Buffer due to concurrent access.
How do I fix the vulnerability RHSA-2020:2970?
To fix the vulnerability RHSA-2020:2970, update to the latest version of the java-11-openjdk package provided by Red Hat, specifically version 11-openjdk-11.0.8.10-0.el8_2 or later.
What systems are affected by RHSA-2020:2970?
The vulnerability RHSA-2020:2970 affects systems running the specified version of the java-11-openjdk packages on Red Hat Enterprise Linux 8.
What is the level of severity for RHSA-2020:2970?
The severity level for RHSA-2020:2970 is classified as moderate due to the nature of the vulnerabilities it addresses.
Is it safe to use OpenJDK 11 without applying the fix for RHSA-2020:2970?
Using OpenJDK 11 without applying the fix for RHSA-2020:2970 may expose systems to security risks and potential exploits related to the identified vulnerabilities.

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