(RHSA-2024:2264) Important: edk2 security update

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 when handling Server ID option from a DHCPv6 proxy Advertise message (CVE-2023-45235)

• EDK2: heap buffer overflow in Tcg2MeasureGptTable() (CVE-2022-36763)

• EDK2: heap buffer overflow in Tcg2MeasurePeImage() (CVE-2022-36764)

• edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message (CVE-2023-45229)

• edk2: Out of Bounds read when handling a ND Redirect message with truncated options (CVE-2023-45231)

• edk2: Infinite loop when parsing unknown options in the Destination Options header (CVE-2023-45232)

• edk2: Infinite loop when parsing a PadN option in the Destination Options header (CVE-2023-45233)

• openssl: Excessive time spent checking DH keys and parameters (CVE-2023-3446)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes linked from the References section.