RedHat: RHSA-2021-2591:01 Moderate: edk2 security update
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.
Security Fix(es):
* edk2: possible heap corruption with LzmaUefiDecompressGetInfo
(CVE-2021-28211)
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.
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-2021-28211 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux AppStream (v. 8):
Source:
edk2-20200602gitca407c7246bf-4.el8_4.1.src.rpm
noarch:
edk2-aarch64-20200602gitca407c7246bf-4.el8_4.1.noarch.rpm
edk2-ovmf-20200602gitca407c7246bf-4.el8_4.1.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
1883529 - CVE-2021-28211 edk2: possible heap corruption with LzmaUefiDecompressGetInfo