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Red Hat: RHSA-2021-2591-01 Moderate: edk2 Heap Corruption Update

red hat
Calendar Grey June 29, 2021
Dist Redhat Esm H88
Enhance the protection of your Red Hat Enterprise Linux environments by applying the security patch for edk2, which resolves a significant vulnerability.
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.
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.

Topics%20covered

Topics Covered

security advisory security update security issue Red Hat heap corruption moderate severity edk2

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


Advisory ID: RHSA-2021:2591-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2591
Issue date: 2021-06-29

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 security update security issue Red Hat heap corruption moderate severity edk2

Relevant Releases Architectures

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

Bugs Fixed

1883529 - CVE-2021-28211 edk2: possible heap corruption with LzmaUefiDecompressGetInfo

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