QID 239783

Date Published: 2021-11-10

QID 239783: Red Hat Update for networkmanager security (RHSA-2021:4361)

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.

Security Fix(es):
  • systemd: dhcp forcerenew authentication not implemented can cause a system running the dhcp client to have its network reconfigured (cve-2020-13529)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64
  • Red Hat codeready linux builder for x86_64 8 x86_64
  • Red Hat codeready linux builder for power, little endian 8 ppc64le
  • Red Hat codeready linux builder for arm 64 8 aarch64
  • Red Hat codeready linux builder for ibm z systems 8 s390x



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 6.1 severity.
  • CVSS V2 rated as Low - 2.9 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4361 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239783

    CVE-2020-13529 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4361 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4361
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