It was discovered that the TLS implementation in the JSSE component of OpenJDK did not correctly handle half-duplex connections during TLS handshake. A remote attacker attacker could use this flaw to affect confidentiality or integrity of a TLS connection.
OpenJDK-8 upstream commit: https://github.com/openjdk/jdk8u/commit/301c9adce1711d9eb3f663bef07bbb045b907332 OpenJDK-11 upstream commit: https://github.com/openjdk/jdk11u/commit/432b9f03f6b3b3ed782b1fb388c5f8c850c66c07 OpenJDK-17 upstream commit: https://github.com/openjdk/jdk17u/commit/13a90694f8177d4b6289f524ff5f721dbc3da09d
Public now via Oracle CPU April 2023: https://www.oracle.com/security-alerts/cpuapr2023.html#AppendixJAVA Fixed in Oracle Java SE 8u371, 11.0.19, 17.0.7, 20.0.1. Release notes: https://www.oracle.com/java/technologies/javase/8u371-relnotes.html https://www.oracle.com/java/technologies/javase/11-0-19-relnotes.html https://www.oracle.com/java/technologies/javase/17-0-7-relnotes.html https://www.oracle.com/java/technologies/javase/20-0-1-relnotes.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2023:1875 https://access.redhat.com/errata/RHSA-2023:1875
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Red Hat Enterprise Linux 8.2 Telecommunications Update Service Via RHSA-2023:1877 https://access.redhat.com/errata/RHSA-2023:1877
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Via RHSA-2023:1878 https://access.redhat.com/errata/RHSA-2023:1878
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:1879 https://access.redhat.com/errata/RHSA-2023:1879
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:1880 https://access.redhat.com/errata/RHSA-2023:1880
This issue has been addressed in the following products: Red Hat Build of OpenJDK 11.0.19 Via RHSA-2023:1883 https://access.redhat.com/errata/RHSA-2023:1883
This issue has been addressed in the following products: Red Hat Build of OpenJDK 11.0.19 Via RHSA-2023:1882 https://access.redhat.com/errata/RHSA-2023:1882
This issue has been addressed in the following products: Red Hat Build of OpenJDK 17.0.7 Via RHSA-2023:1885 https://access.redhat.com/errata/RHSA-2023:1885
This issue has been addressed in the following products: Red Hat Build of OpenJDK 17.0.7 Via RHSA-2023:1884 https://access.redhat.com/errata/RHSA-2023:1884
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Extended Update Support Via RHSA-2023:1889 https://access.redhat.com/errata/RHSA-2023:1889
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Extended Update Support Via RHSA-2023:1890 https://access.redhat.com/errata/RHSA-2023:1890
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2023:1891 https://access.redhat.com/errata/RHSA-2023:1891
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2023:1892 https://access.redhat.com/errata/RHSA-2023:1892
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:1895 https://access.redhat.com/errata/RHSA-2023:1895
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:1898 https://access.redhat.com/errata/RHSA-2023:1898
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2023:1899 https://access.redhat.com/errata/RHSA-2023:1899
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2023:1900 https://access.redhat.com/errata/RHSA-2023:1900
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2023:1904 https://access.redhat.com/errata/RHSA-2023:1904
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Via RHSA-2023:1911 https://access.redhat.com/errata/RHSA-2023:1911
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Red Hat Enterprise Linux 8.2 Telecommunications Update Service Via RHSA-2023:1905 https://access.redhat.com/errata/RHSA-2023:1905
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2023:1906 https://access.redhat.com/errata/RHSA-2023:1906
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:1909 https://access.redhat.com/errata/RHSA-2023:1909
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:1908 https://access.redhat.com/errata/RHSA-2023:1908
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2023:1910 https://access.redhat.com/errata/RHSA-2023:1910
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Extended Update Support Via RHSA-2023:1907 https://access.redhat.com/errata/RHSA-2023:1907
This issue has been addressed in the following products: Red Hat Build of OpenJDK 8u362 Via RHSA-2023:1912 https://access.redhat.com/errata/RHSA-2023:1912
This issue has been addressed in the following products: Red Hat Build of OpenJDK 8u362 Via RHSA-2023:1903 https://access.redhat.com/errata/RHSA-2023:1903
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2023-21930
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:4103 https://access.redhat.com/errata/RHSA-2023:4103
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Supplementary Via RHSA-2023:4160 https://access.redhat.com/errata/RHSA-2023:4160