Libndp: buffer overflow in route information length field
Priority MEDIUM 40CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01165 67th percentileScored 2026-11-07
Fix Fixed libndp: 1.7-7Red Hat: 9 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | libndp | 1.0 to before 1.7-7 | 1.7-7 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | 1.9-2.el10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — | 1.2-10.el7_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 1.7-7.el8_10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | 1.7-4.el8_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | 1.7-6.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | 1.7-6.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | 1.7-6.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | 1.7-7.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — | 1.7-7.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — | 1.7-7.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | 1.7-7.el8_8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 1.8-6.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — | 1.8-5.el9_0 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 1.8-5.el9_2 | Patch available | CNA |
- libndp Vendor— Affected 1.0 to before 1.7-7 Fixed in 1.7-7 Patch available CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in 1.9-2.el10 Patch available CNA
- Red Hat Enterprise Linux 7 Extended Lifecycle Support VendorRed Hat Affected — Fixed in 1.2-10.el7_9 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 1.7-7.el8_10 Patch available CNA
- Red Hat Enterprise Linux 8.2 Advanced Update Support VendorRed Hat Affected — Fixed in 1.7-4.el8_2 Patch available CNA
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 1.7-6.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service VendorRed Hat Affected — Fixed in 1.7-6.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.7-6.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 1.7-7.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service VendorRed Hat Affected — Fixed in 1.7-7.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.7-7.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in 1.7-7.el8_8 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 1.8-6.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.8-5.el9_0 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 1.8-5.el9_2 Patch available CNA
CPE names CNA · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/o:redhat:enterprise_linux:10.0 | 10.0 | — | Red Hat |
| cpe:/o:redhat:rhel_els:7 | 7 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux:8::baseos | 8 | — | Red Hat |
| cpe:/o:redhat:rhel_aus:8.2::baseos | 8.2 | — | Red Hat |
| cpe:/o:redhat:rhel_aus:8.4::baseos | 8.4 | — | Red Hat |
| cpe:/o:redhat:rhel_e4s:8.4::baseos | 8.4 | — | Red Hat |
| cpe:/o:redhat:rhel_tus:8.4::baseos | 8.4 | — | Red Hat |
| cpe:/o:redhat:rhel_aus:8.6::baseos | 8.6 | — | Red Hat |
| cpe:/o:redhat:rhel_e4s:8.6::baseos | 8.6 | — | Red Hat |
| cpe:/o:redhat:rhel_tus:8.6::baseos | 8.6 | — | Red Hat |
- cpe:/o:redhat:enterprise_linux:10.0 Versions 10.0 — ·Red Hat
- cpe:/o:redhat:rhel_els:7 Versions 7 — ·Red Hat
- cpe:/o:redhat:enterprise_linux:8::baseos Versions 8 — ·Red Hat
- cpe:/o:redhat:rhel_aus:8.2::baseos Versions 8.2 — ·Red Hat
- cpe:/o:redhat:rhel_aus:8.4::baseos Versions 8.4 — ·Red Hat
- cpe:/o:redhat:rhel_e4s:8.4::baseos Versions 8.4 — ·Red Hat
- cpe:/o:redhat:rhel_tus:8.4::baseos Versions 8.4 — ·Red Hat
- cpe:/o:redhat:rhel_aus:8.6::baseos Versions 8.6 — ·Red Hat
- cpe:/o:redhat:rhel_e4s:8.6::baseos Versions 8.6 — ·Red Hat
- cpe:/o:redhat:rhel_tus:8.6::baseos Versions 8.6 — ·Red Hat
Remediation
- Fix · CNA libndp Fixed in 1.7-7
Red Hat 9 advisories
- RHSA-2024:4642 Released 2024-07-19 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) libndp-1.8-5.el9_2
- RHSA-2024:4641 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) libndp-1.7-7.el8_8
- RHSA-2024:4643 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) libndp-1.7-7.el8_6
- Red Hat Enterprise Linux BaseOS E4S (v.8.6) libndp-1.7-7.el8_6
- Red Hat Enterprise Linux BaseOS TUS (v.8.6) libndp-1.7-7.el8_6
Show 6 more Red Hat advisories
- RHSA-2024:4640 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) libndp-1.7-4.el8_2
- RHSA-2024:4636 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS (v. 9) libndp-1.8-6.el9_4
- RHSA-2024:4620 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS (v. 8) libndp-1.7-7.el8_10
- RHSA-2024:4622 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux Server (v. 7 ELS) libndp-1.2-10.el7_9, libndp-1.2-10.el7_9.ppc
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) libndp-devel-1.2-10.el7_9, libndp-devel-1.2-10.el7_9.ppc
- RHSA-2024:4618 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) libndp-1.7-6.el8_4
- Red Hat Enterprise Linux BaseOS E4S (v.8.4) libndp-1.7-6.el8_4
- Red Hat Enterprise Linux BaseOS TUS (v.8.4) libndp-1.7-6.el8_4
- RHSA-2024:4619 Released 2024-07-18 · Red Hat rating Importantlibndp security update
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) libndp-1.8-5.el9_0
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | — |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:4620 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:4636 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2024:4640 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2024:4618 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2024:4643 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.4) | Fixed | RHSA-2024:4618 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2024:4643 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2024:4619 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:4641 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:4642 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.4) | Fixed | RHSA-2024:4618 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2024:4643 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2024:4622 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2024:4622 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-5564
- 2026-10-03 Alias added: GHSA-rx7p-m6c3-777g
References
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Sources
- CVE-2024-5564 · CVE Program
- CVE-2024-5564 · NVD
- FIRST EPSS
- GHSA-rx7p-m6c3-777g · GitHub Advisory Database · CC BY 4.0
- CVE-2024-5564 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences