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Red Hat Enterprise Linux 8 RHSA-2021-4198-01 Moderate EDK2 Security Fix

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
The recent update for edk2 in RHEL 8 tackles significant security vulnerabilities, providing essential patches and improvements.
An update for edk2 is now available for Red Hat Enterprise Linux 8

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

Summary

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.
The following packages have been upgraded to a later upstream version: edk2 (20210527gite1999b264f1f). (BZ#1846481, BZ#1938238)
Security Fix(es):
* openssl: integer overflow in CipherUpdate (CVE-2021-23840)
* openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)
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 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue red hat bug fix openssl edk2

References

https://access.redhat.com/security/cve/CVE-2021-23840 https://access.redhat.com/security/cve/CVE-2021-23841 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.5_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: edk2-20210527gite1999b264f1f-3.el8.src.rpm
noarch: edk2-aarch64-20210527gite1999b264f1f-3.el8.noarch.rpm edk2-ovmf-20210527gite1999b264f1f-3.el8.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Advisory ID: RHSA-2021:4198-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4198
Issue date: 2021-11-09

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue red hat bug fix openssl edk2

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - noarch

Bugs Fixed

1930310 - CVE-2021-23841 openssl: NULL pointer dereference in X509_issuer_and_serial_hash()

1930324 - CVE-2021-23840 openssl: integer overflow in CipherUpdate

1937564 - [RFE] support VCPU hot unplug in OVMF/edk2

1938238 - rebase edk2 to edk2-stable202105 for RHEL-8.5

1938257 - refresh OpenSSL bundled with edk2 for RHEL-8.5

1956837 - Additional build of edk2 without SMM (dual build / sub-package) for SEV-ES

1988762 - edk2 does not ignore PMBR protective record BootIndicator as required by UEFI spec

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