Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). Supported versions that are affected are 5.7.41 and prior and 8.0.30 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. External References: https://www.oracle.com/security-alerts/cpuapr2023.html#AppendixMSQL
The Oracle advisory states that this issue was fixed upstream in version 8.0.31. The mysql packages as shipped in following Red Hat products were previously updated to a version that contains the fix via the following errata: rh-mysql80-mysql in Red Hat Software Collections https://access.redhat.com/errata/RHSA-2023:1102
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:2621 https://access.redhat.com/errata/RHSA-2023:2621
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:3087 https://access.redhat.com/errata/RHSA-2023:3087
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-2023-21912