An edk2 security, bug fix, and enhancement update has been released for Red Hat Enterprise Linux 8.
RHSA-2021:4198-03: Moderate: edk2 security, bug fix, and enhancement update
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Red Hat Security Advisory
Synopsis: Moderate: edk2 security, bug fix, and enhancement update
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
CVE Names: CVE-2021-23840 CVE-2021-23841
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1. Summary:
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 Moderate. 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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream (v. 8) - noarch
3. 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.
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.
4. 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
5. Bugs fixed ( https://bugzilla.redhat.com/):
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
6. 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/
7. 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://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
