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Red Hat Enterprise Linux 9: RHSA-2023-4431-01 Critical: iperf3 Memory Issue

red hat
Calendar Grey August 2, 2023
Dist Redhat Esm H88
Red Hat's critical update for iperf3 fixes a serious memory allocation flaw that may cause Linux system crashes. Admins must upgrade for enhanced security and reliability
An update for iperf3 is now available for Red Hat Enterprise Linux 9.0 Extended Update Support

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

Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss.
Security Fix(es):
* iperf3: memory allocation hazard and crash (CVE-2023-38403)
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 Red Hat important memory hazard iperf3

References

https://access.redhat.com/security/cve/CVE-2023-38403 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.9.0):
Source: iperf3-3.9-10.el9_0.src.rpm
aarch64: iperf3-3.9-10.el9_0.aarch64.rpm iperf3-debuginfo-3.9-10.el9_0.aarch64.rpm iperf3-debugsource-3.9-10.el9_0.aarch64.rpm
ppc64le: iperf3-3.9-10.el9_0.ppc64le.rpm iperf3-debuginfo-3.9-10.el9_0.ppc64le.rpm iperf3-debugsource-3.9-10.el9_0.ppc64le.rpm
s390x: iperf3-3.9-10.el9_0.s390x.rpm iperf3-debuginfo-3.9-10.el9_0.s390x.rpm iperf3-debugsource-3.9-10.el9_0.s390x.rpm
x86_64: iperf3-3.9-10.el9_0.i686.rpm iperf3-3.9-10.el9_0.x86_64.rpm iperf3-debuginfo-3.9-10.el9_0.i686.rpm iperf3-debuginfo-3.9-10.el9_0.x86_64.rpm iperf3-debugsource-3.9-10.el9_0.i686.rpm iperf3-debugsource-3.9-10.el9_0.x86_64.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-2023:4431-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4431
Issue date: 2023-08-02

Topic

An update for iperf3 is now available for Red Hat Enterprise Linux 9.0Extended Update Support.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 Red Hat important memory hazard iperf3

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2222204 - CVE-2023-38403 iperf3: memory allocation hazard and crash

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