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Red Hat 8 RHSA-2021-1574 Moderate NetworkManager Crash Issue

red hat
Calendar Grey May 18, 2021
Dist Redhat Esm H88
Red Hat issued a moderate advisory for NetworkManager and libnma detailing security issues and important fixes.
An update for NetworkManager and libnma 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

NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.
The following packages have been upgraded to a later upstream version: NetworkManager (1.30.0). (BZ#1878783)
Security Fix(es):
* NetworkManager: Profile with match.path setting triggers crash (CVE-2021-20297)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat software update bug fix network service Moderate network issue NetworkManager libnma

References

https://access.redhat.com/security/cve/CVE-2021-20297 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: libnma-1.8.30-2.el8.src.rpm
aarch64: NetworkManager-adsl-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-bluetooth-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-cloud-setup-1.30.0-7.el8.aarch64.rpm NetworkManager-cloud-setup-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-debugsource-1.30.0-7.el8.aarch64.rpm NetworkManager-libnm-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-ovs-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-ppp-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-team-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-tui-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-wifi-debuginfo-1.30.0-7.el8.aarch64.rpm NetworkManager-wwan-debuginfo-1.30.0-7.el8.aarch64.rpm libnma-1.8.30-2.el8.aarch64.rpm libnma-debuginfo-1.8.30-2.el8.aarch64.rpm libnma-debugsource-1.8.30-2.el8.aarch64.rpm
ppc64le: NetworkManager-adsl-debuginfo-1.30.0-7.el8.ppc64le.rpm NetworkManager-bluetooth-debuginfo-1.30.0-7.el8.ppc64le.rpm NetworkManager-cloud-setup-1.30.0-7.el8.ppc64le.rpm NetworkManager-cloud-setup-debuginfo-1.30.0-7.el8.ppc64le.rpm NetworkManager-debuginfo-1.30.0-7.el8.ppc64le.rpm NetworkManager-debugsource-1.30.0-7.el8.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2021:1574-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1574
Issue date: 2021-05-18

Topic

An update for NetworkManager and libnma is now available for Red HatEnterprise 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 moderate Red Hat software update bug fix network service Moderate network issue NetworkManager libnma

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1436535 - [RFE] Support port mirroring (SPAN)

1623084 - [RFE] - make Network Manager work best of public clouds.

1766944 - Hostname not configured through reverse-DNS query

1813334 - [RFE] add library for handling profiles in keyfile format

1818697 - Vlan over bond is not active after first boot

1861296 - RFE: better handle left-over configuration in OVS created by NetworkManager

1866227 - [RFE] Add support for external_ids for OVS bridges and interfaces in libnm

1867997 - Add manual page for nm-cloud-setup

1869079 - Activate a profile of unmanaged interface does not remove it from bridge port

1870691 - Cannot change bond mode for bond created by iproute

1876577 - Modifying bond active slave fails over "failed: Can't reapply 'active_slave' bond option"

1878783 - Rebase NetworkManager to latest upstream release in RHEL 8.4

1882380 - Please allow `NM.Device.get_applied_connection_async()` to run by non-privilege user

1883958 - initrd: can't disable NICs during boot

1886336 - nmcli ignores /etc/terminal-colors.d/nmcli.scheme

1887523 - [bond] The packets_per_slave option should be only valid under balance-rr mode

1888051 - NetworkManager needs to pass bridge master to wpa_supplicant when Wlan is part of bridge

1888229 - we need to clean dns cache when bringing down connection

1888348 - Bond port been deattached when attaching this bond to a new linux bridge

Read the Full Advisory

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