CVE-2024-5564

Libndp: buffer overflow in route information length field

State: Published
Severity: 8.1 High
Published: May 31, 2024
Updated: Nov 20, 2025
Reserved: May 31, 2024

Description

A vulnerability was found in libndp. This flaw allows a local malicious user to cause a buffer overflow in NetworkManager, triggered by sending a malformed IPv6 router advertisement packet. This issue occurred as libndp was not correctly validating the route length information.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	redhat

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
libndp	1.0 to before 1.7-7Affected
Red Hat Enterprise Linux 10Red Hat	0:1.9-2.el10 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:1.2-10.el7_9 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:1.7-7.el8_10 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:1.7-4.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:1.7-6.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat	0:1.7-6.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat	0:1.7-6.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:1.7-7.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:1.7-7.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:1.7-7.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat	0:1.7-7.el8_8 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.8-6.el9_4 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:1.8-5.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat	0:1.8-5.el9_2 and laterNot affected

References

RHBA-2025:6631vendor-advisory
RHSA-2024:4618vendor-advisory
RHSA-2024:4619vendor-advisory
RHSA-2024:4620vendor-advisory
RHSA-2024:4622vendor-advisory
RHSA-2024:4636vendor-advisory
RHSA-2024:4640vendor-advisory
RHSA-2024:4641vendor-advisory
RHSA-2024:4642vendor-advisory
RHSA-2024:4643vendor-advisory
https://access.redhat.com/security/cve/CVE-2024-5564vdb-entry
RHBZ#2284122issue-tracking
https://lists.debian.org/debian-lts-announce/2024/06/msg00011.html

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