Issued:

2024-04-30

Updated:

2024-04-30

RHSA-2024:2264 - Important: edk2 security update

Synopsis

Important: edk2 security update

Type/Severity

Security Advisory Important

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):

• 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.

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

Updated Packages

• edk2-debugsource-20231122-6.el9.aarch64.rpm
• edk2-tools-20231122-6.el9.aarch64.rpm
• edk2-debugsource-20231122-6.el9.x86_64.rpm
• edk2-20231122-6.el9.src.rpm
• edk2-tools-debuginfo-20231122-6.el9.aarch64.rpm
• edk2-tools-doc-20231122-6.el9.noarch.rpm
• edk2-aarch64-20231122-6.el9.noarch.rpm
• edk2-tools-20231122-6.el9.x86_64.rpm
• edk2-ovmf-20231122-6.el9.noarch.rpm
• edk2-tools-debuginfo-20231122-6.el9.x86_64.rpm

Fixes

• This content is not included.BZ - 2224962
• This content is not included.BZ - 2257582
• This content is not included.BZ - 2257583
• This content is not included.BZ - 2258677
• This content is not included.BZ - 2258688
• This content is not included.BZ - 2258691
• This content is not included.BZ - 2258694
• This content is not included.BZ - 2258700
• This content is not included.RHEL-14123
• This content is not included.RHEL-20963

CVEs

• CVE-2022-36763
• CVE-2022-36764
• CVE-2023-3446
• CVE-2023-45229
• CVE-2023-45231
• CVE-2023-45232
• CVE-2023-45233
• CVE-2023-45235

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.4_release_notes/index

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.