CVE Database›Document archive›CVE-2019-20795

CVE-2019-20795

iproute: use-after-free in get_netnsid_from_name in ip/ipnetns.c

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Severity

Low

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · May 5, 2019

Updated · October 14, 2026

Description

A use-after-free flaw was found in iproute in the network namespace management component of the ip command-line utility. This flaw allows a local attacker to crash the program while displaying network namespaces. The highest threat from this vulnerability is to system availability.

Statement

This issue affects the versions of iproute as shipped with Red Hat Enterprise Linux 7. Red Hat Enterprise Linux 8 is not affected by this flaw.

This flaw has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates of Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6. Red Hat Enterprise Linux 5 is now in the Extended Life Phase of the support and maintenance life cycle. Red Hat Enterprise Linux 6 is now in the Maintenance Support 2 Phase of the support and maintenance life cycle. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free