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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libndp | 1.0 – < 1.7-7 | 1.7-7 |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libndp | 1.8-2 | — |
| Debian 13 | libndp | 1.8-2 | — |
| Debian 12 | libndp | 1.8-1+deb12u1 | DSA-5713-1 |
| Debian 11 | libndp | 1.6-1+deb11u1 | DSA-5713-1 |
| Debian 10 | libndp | 1.6-1+deb10u1 | DLA-3837-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | libndp | 1.8-1fakesync1ubuntu0.24.04.1 | USN-6830-1 |
| Ubuntu 22.04 LTS | libndp | 1.8-0ubuntu3.1 | USN-6830-1 |
| Ubuntu 20.04 LTS | libndp | 1.7-0ubuntu1.1 | USN-6830-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libndp | 1.6-1ubuntu0.1~esm1 | USN-7248-1 |
| Ubuntu Pro 16.04 LTS | libndp | 1.4-2ubuntu0.16.04.1+esm1 | USN-7248-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | libndp | 1.9-2.el10 | RHBA-2025:6631 |
| RHEL 9 | libndp | 1.8-6.el9_4 | RHSA-2024:4636 |
| RHEL 8 | libndp | 1.7-7.el8_10 | RHSA-2024:4620 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | libndp | 1.8-5.el9_2 | RHSA-2024:4642 |
| RHEL 9.0 E4S | libndp | 1.8-5.el9_0 | RHSA-2024:4619 |
| RHEL 8.8 EUS | libndp | 1.7-7.el8_8 | RHSA-2024:4641 |
| RHEL 8.6 TUS | libndp | 1.7-7.el8_6 | RHSA-2024:4643 |
| RHEL 8.6 E4S | libndp | 1.7-7.el8_6 | RHSA-2024:4643 |
| RHEL 8.6 AUS | libndp | 1.7-7.el8_6 | RHSA-2024:4643 |
| RHEL 8.4 TUS | libndp | 1.7-6.el8_4 | RHSA-2024:4618 |
| RHEL 8.4 E4S | libndp | 1.7-6.el8_4 | RHSA-2024:4618 |
| RHEL 8.4 AUS | libndp | 1.7-6.el8_4 | RHSA-2024:4618 |
| RHEL 8.2 AUS | libndp | 1.7-4.el8_2 | RHSA-2024:4640 |
| RHEL 7 ELS | libndp +1 | 1.2-10.el7_9 | RHSA-2024:4622 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | libndp | 1.8-6.el9_4.alma.1 | ALSA-2024:4636 |
| AlmaLinux 8 | libndp | 1.7-7.el8_10.alma.1 | ALSA-2024:4620 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | libndp | 1.8-6.el9_4 | RLSA-2024:4636 |
| Rocky Linux 8 | libndp | 1.7-7.el8_10 | RLSA-2024:4620 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLES 15 SP5 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLES 15 SP4 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLES 15 SP3 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLES 15 SP2 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | libndp | 1.6-4.5.1 | SUSE-SU-2024:2541-1 |
| SLES for SAP 15 SP4 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLES for SAP 15 SP3 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLES for SAP 15 SP2 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLES for SAP 12 SP5 | libndp | 1.6-4.5.1 | SUSE-SU-2024:2541-1 |
| SLE Micro 6.0 | libndp | 1.8-3.1 | SUSE-SU-2025:20088-1 |
| SLE Micro 5.5 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLE Micro 5.4 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLE Micro 5.3 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLE HPC 15 SP4 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLE HPC 15 SP3 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SLE HPC 15 SP2 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| SUSE Enterprise Storage 7.1 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libndp | 1.8-2.1 | openSUSE-SU-2024:14112-1 |
| openSUSE Leap 15.6 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
| openSUSE Leap 15.5 | libndp | 1.6-150000.3.3.1 | SUSE-SU-2024:2283-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libndp +1 | 1.2-7.amzn2.0.3 | ALAS2-2024-2571 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libndp | 1.8-2 | — |
| Azure Linux 2 (CBL-Mariner) | libndp | 1.8-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | libndp | 1.8-6.el9_4 | ELSA-2024-4636 |
| Oracle Linux 8 | libndp | 1.7-7.el8_10 | ELSA-2024-4620 |
| Oracle Linux 7 | libndp +1 | 1.2-10.0.1.el7_9 | ELSA-2024-4622 |
Advisories 28
- ALSA-2024:4636 Important: libndp security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:4620 Important: libndp security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:4622 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-7248-1 libndp vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-6830-1 libndp vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2025:20088-1 Security update for libndp SUSE / openSUSE Security Updates · Mar 23, 2026
- RHSA-2024:4642 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:4641 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:4643 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:4619 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:4620 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:4640 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:4636 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:4618 Red Hat Security Advisory: libndp security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- DSA-5713-1 libndp - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3837-1 libndp - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2024:4636 Important: libndp security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2024:4620 Important: libndp security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2024:2541-1 Security update for libndp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14112-1 libndp-1.8-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2283-1 Security update for libndp SUSE / openSUSE Security Updates · Feb 4, 2026
- RHBA-2025:6631 Red Hat Bug Fix Advisory: libndp bug fix and enhancement update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2024-1905 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 3, 2025
- WID-SEC-2024-1635 libndp: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Jun 3, 2025
- ELSA-2024-4622 Important: libndp security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 4, 2024
- ELSA-2024-4636 Important: libndp security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 18, 2024
- ELSA-2024-4620 Important: libndp security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 18, 2024
- ALAS2-2024-2571 Important: libndp security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jun 24, 2024
References
- RHBA-2025:6631 vendor-advisory
- RHSA-2024:4618 vendor-advisory
- RHSA-2024:4619 vendor-advisory
- RHSA-2024:4620 vendor-advisory
- RHSA-2024:4622 vendor-advisory
- RHSA-2024:4636 vendor-advisory
- RHSA-2024:4640 vendor-advisory
- RHSA-2024:4641 vendor-advisory
- RHSA-2024:4642 vendor-advisory
- RHSA-2024:4643 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-5564 vdb-entry
- RHBZ#2284122 issue-tracking