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AlmaLinux: 9 Type: Security Severity: Moderate Release date: 2023-11-14 Summary: The java-21-openjdk packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit. Security Fix(es): * OpenJDK: memory corruption issue on x86_64 with AVX-512 (8317121) (CVE-2023-22025) * OpenJDK: certificate path validation issue during client authentication (8309966) (CVE-2023-22081) 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. Bug Fix(es): * Additional validity checks in the handling of Zip64 files, JDK-8302483, were introduced in the 21.0.0 release of OpenJDK, causing the use of some valid zip files to now fail with an error. This release, 21.0.1, allows for zero-length headers and additional padding produced by some Zip64 creation tools. With both releases, the checks can be disabled using -Djdk.util.zip.disableZip64ExtraFieldValidation=true. * A maximum signature file size property, jdk.jar.maxSignatureFileSize, was introduced in the 20.0.0 release of OpenJDK by JDK-8300596, with a default of 8 MB. This default proved to be too small for some JAR files. This release, 20.0.1, increases it to 16 MB. (AlmaLinux-14954) * When Transparent Huge Pages (THP) are unconditionally enabled on a system, Java applications using many threads were found to have a large Resident Set Size (RSS). This was due to a race between the kernel transforming thread stack memory into huge pages and the Java Virtual Machine (JVM) shattering these pages into smaller ones when adding a guard page. This release resolves this issue by getting glibc to insert a guard page and prevent the creation of huge pages. (AlmaLinux-14962) * Installing the same java-21-openjdk-headless package on two different systems resulted in distinct classes.jsa files getting generated. This was because the CDS archive was being generated by a post script action of the java-21-openjdk-headless package. This prevented the use of the dynamic dump feature, because the checksum in the archive would be different on each system. This release resolves this issue by using the .jsa files generated during the initial build. (AlmaLinux-14946) * The /usr/bin/jfr alternative is now owned by the java-21-openjdk package. (AlmaLinux-14959) * The jcmd tool is now provided by the java-21-openjdk-headless package, rather than java-21-openjdk-devel, to make it more accessible. (AlmaLinux-14948) Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2023-6738.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team
