RHSA-2023:2165 — Security Advisory

An update for edk2 is now available for Red Hat Enterprise Linux 9.

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):

• openssl: X.400 address type confusion in X.509 GeneralName (CVE-2023-0286)

• edk2: integer underflow in SmmEntryPoint function leads to potential SMM privilege escalation (CVE-2021-38578)

• openssl: timing attack in RSA Decryption implementation (CVE-2022-4304)

• openssl: double free after calling PEM_read_bio_ex (CVE-2022-4450)

• openssl: use-after-free following BIO_new_NDEF (CVE-2023-0215)

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 9.2 Release Notes linked from the References section.