RedHat: RHSA-2021-4198:03 Moderate: edk2 security, bug fix,
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.
Summary
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
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/
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/
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.
Topic
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
