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Red Hat Enterprise Linux 7: RHSA-2019-0809-01 Urgent: OVMF Buffer Overflow

red hat
Calendar Grey April 23, 2019
Dist Redhat Esm H88
Canonical announced a critical patch for qemu that fixes a memory corruption vulnerability affecting Ubuntu 20.04 users.
An update for ovmf is now available for Red Hat Enterprise Linux 7

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

OVMF (Open Virtual Machine Firmware) 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: Buffer Overflow in BlockIo service for RAM disk (CVE-2018-12180)
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 buffer overflow Red Hat Enterprise Linux important edk2 ovmf

References

https://access.redhat.com/security/cve/CVE-2018-12180 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: ovmf-20180508-3.gitee3198e672e2.el7_6.1.src.rpm
noarch: OVMF-20180508-3.gitee3198e672e2.el7_6.1.noarch.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
Source: ovmf-20180508-3.gitee3198e672e2.el7_6.1.src.rpm
noarch: AAVMF-20180508-3.gitee3198e672e2.el7_6.1.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:0809-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0809
Issue date: 2019-04-23

Topic

An update for ovmf is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update buffer overflow Red Hat Enterprise Linux important edk2 ovmf

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - noarch

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - noarch

Bugs Fixed

1683372 - CVE-2018-12180 edk2: Buffer Overflow in BlockIo service for RAM disk

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