RHSA-2024:3017 - Security Advisory

Topic

An update for edk2 is now available for Red Hat Enterprise Linux 8.

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 overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765)
• 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)

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 8.10 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 8 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 2257582 - CVE-2022-36763 EDK2: heap buffer overflow in Tcg2MeasureGptTable()
• BZ - 2257583 - CVE-2022-36764 EDK2: heap buffer overflow in Tcg2MeasurePeImage()
• BZ - 2257584 - CVE-2022-36765 EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W
• BZ - 2258677 - CVE-2023-45229 edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message
• BZ - 2258688 - CVE-2023-45231 edk2: Out of Bounds read when handling a ND Redirect message with truncated options
• BZ - 2258691 - CVE-2023-45232 edk2: Infinite loop when parsing unknown options in the Destination Options header
• BZ - 2258694 - CVE-2023-45233 edk2: Infinite loop when parsing a PadN option in the Destination Options header
• BZ - 2258700 - CVE-2023-45235 edk2: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message
• RHEL-12626 - Missing firmware descriptor with secureboot disabled in RHEL 8

CVEs

• CVE-2022-36763
• CVE-2022-36764
• CVE-2022-36765
• 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/8/html/8.10_release_notes/index