RHSA-2023:2165 - Security Advisory

Topic

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.

Description

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat Enterprise Linux Server - AUS 9.6 x86_64
• Red Hat Enterprise Linux Server - AUS 9.4 x86_64
• Red Hat Enterprise Linux Server - AUS 9.2 x86_64
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat CodeReady Linux Builder for x86_64 9 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64

Fixes

• BZ - 1960321 - CVE-2021-38578 edk2: integer underflow in SmmEntryPoint function leads to potential SMM privilege escalation
• BZ - 1983086 - Assertion failure when creating 1024 VCPU VM: [...]UefiCpuPkg/CpuMpPei/CpuBist.c(186): !EFI_ERROR (Status)
• BZ - 2125336 - Please add edk2-aarch64 and edk2-tools to CRB in RHEL 9
• BZ - 2132951 - edk2: Sort traditional virtualization builds before Confidential Computing builds
• BZ - 2157656 - [edk2] [aarch64] Unable to initialize EFI firmware when using edk2-aarch64-20221207gitfff6d81270b5-1.el9 in some hardwares
• BZ - 2162307 - Broken GRUB output on a serial console
• BZ - 2164440 - CVE-2023-0286 openssl: X.400 address type confusion in X.509 GeneralName
• BZ - 2164487 - CVE-2022-4304 openssl: timing attack in RSA Decryption implementation
• BZ - 2164492 - CVE-2023-0215 openssl: use-after-free following BIO_new_NDEF
• BZ - 2164494 - CVE-2022-4450 openssl: double free after calling PEM_read_bio_ex
• BZ - 2168046 - [edk2] BIOS Release Date string is unexpected length
• BZ - 2174605 - [EDK2] disable dynamic mmio window

CVEs

• CVE-2021-38578
• CVE-2022-4304
• CVE-2022-4450
• CVE-2023-0215
• CVE-2023-0286

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.2_release_notes/index