<p>Upgrade <code>Centos:9</code> <code>edk2-ovmf</code> to version 0:20221207gitfff6d81270b5-9.el9_2 or higher.</p>

Buffer Underflow Affecting edk2-ovmf package, versions <0:20221207gitfff6d81270b5-9.el9_2

Threat Intelligence

0.19% (57^th percentile)

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Snyk ID SNYK-CENTOS9-EDK2OVMF-2874953
published 14 Jun 2022
disclosed 3 Mar 2022

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Introduced: 3 Mar 2022

CVE-2021-38578 Open this link in a new tab CWE-124 Open this link in a new tab CWE-787 Open this link in a new tab

How to fix?

Upgrade Centos:9 edk2-ovmf to version 0:20221207gitfff6d81270b5-9.el9_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2-ovmf package and not the edk2-ovmf package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

Low
Privileges Required (PR)

None
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Buffer Underflow Affecting edk2-ovmf package, versions <0:20221207gitfff6d81270b5-9.el9_2

Severity

Based on CentOS security rating