An update for edk2 is now available for Red Hat Enterprise Linux 9.2 Extended
 Update Support.

Red Hat Product Security has rated this update as having a security impact of
 Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual
 Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. 

Security Fix(es):

* edk2: Buffer overflow in the DHCPv6 client via a long Server ID option
 (CVE-2023-45230)

* edk2: Buffer overflow when processing DNS Servers option in a DHCPv6
 Advertise message (CVE-2023-45234)

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.

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CVE-2023-45230: Improper Restriction of Operations within the Bounds of a
 Memory Buffer (CWE-119)
CVE-2023-45234: Improper Restriction of Operations within the Bounds of a
 Memory Buffer (CWE-119)