Issued:
2024-07-09
Updated:
2024-07-09

RHSA-2024:4419 - 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 9.2 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.

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: 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: Predictable TCP Initial Sequence Numbers (CVE-2023-45236)

  • edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237)

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.

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

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions9.2x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support9.2x86_64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support9.2aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates9.2aarch64
Red Hat Enterprise Linux Server - AUS9.2x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support9.2x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support9.2ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support9.2s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support9.2aarch64

Updated Packages

  • edk2-aarch64-20221207gitfff6d81270b5-9.el9_2.3.noarch.rpm
  • edk2-debugsource-20221207gitfff6d81270b5-9.el9_2.3.x86_64.rpm
  • edk2-20221207gitfff6d81270b5-9.el9_2.3.src.rpm
  • edk2-ovmf-20221207gitfff6d81270b5-9.el9_2.3.noarch.rpm
  • edk2-tools-20221207gitfff6d81270b5-9.el9_2.3.aarch64.rpm
  • edk2-tools-20221207gitfff6d81270b5-9.el9_2.3.x86_64.rpm
  • edk2-tools-debuginfo-20221207gitfff6d81270b5-9.el9_2.3.aarch64.rpm
  • edk2-tools-doc-20221207gitfff6d81270b5-9.el9_2.3.noarch.rpm
  • edk2-tools-debuginfo-20221207gitfff6d81270b5-9.el9_2.3.x86_64.rpm
  • edk2-debugsource-20221207gitfff6d81270b5-9.el9_2.3.aarch64.rpm

Fixes

CVEs

References

Additional information