net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users…
Priority LOW 39CWE-269Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-269.
Summary
net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.
Why it matters now
EPSS 0.02633 85th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed Red Hat: 7 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.4 to before 5.4.182; 5.5 to before 5.10.103; 5.11 to before 5.15.26; 5.16 to before 5.16.12 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
| cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.4 to before 5.4.182; 5.5 to before 5.10.103; 5.11 to before 5.15.26; 5.16 to before 5.16.12 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
- cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* | 22.1.3 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:* | 22.1.1 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:* | 22.2.0 | Vulnerable | Oracle |
- cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* Versions 22.1.3 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:* Versions 22.1.1 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:* Versions 22.2.0 Vulnerable ·Oracle
Remediation
Red Hat 7 advisories
- RHSA-2022:4896 Released 2022-06-03 · Red Hat rating ImportantRed Hat Virtualization security, bug fix, and enhancement update [ovirt-4.5.0]
- Red Hat Virtualization 4 Hypervisor for RHEL 8 redhat-virtualization-host-4.5.0-202205291010_8.6, redhat-virtualization-host-image-update-4.5.0-202205291010_8.6
- RHSA-2022:1550 Released 2022-04-26 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-348.23.1.el8_5
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-348.23.1.el8_5, kernel-4.18.0-348.23.1.el8_5, kernel-abi-stablelists-4.18.0-348.23.1.el8_5 +19
- RHSA-2022:1535 Released 2022-04-26 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-348-1-4.el8, kpatch-patch-4_18_0-348_12_2-1-2.el8_5, kpatch-patch-4_18_0-348_20_1-1-1.el8_5 +2
Show 4 more Red Hat advisories
- RHSA-2022:1555 Released 2022-04-26 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-348.23.1.rt7.153.el8_5, kernel-rt-core-4.18.0-348.23.1.rt7.153.el8_5, kernel-rt-debug-4.18.0-348.23.1.rt7.153.el8_5 +9
- Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt-4.18.0-348.23.1.rt7.153.el8_5, kernel-rt-core-4.18.0-348.23.1.rt7.153.el8_5, kernel-rt-debug-4.18.0-348.23.1.rt7.153.el8_5 +7
- RHSA-2022:1455 Released 2022-04-20 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux BaseOS EUS (v.8.4) bpftool-4.18.0-305.45.1.el8_4, kernel-4.18.0-305.45.1.el8_4, kernel-abi-stablelists-4.18.0-305.45.1.el8_4 +19
- Red Hat Enterprise Linux CRB EUS (v.8.4) kernel-tools-libs-devel-4.18.0-305.45.1.el8_4
- RHSA-2022:1418 Released 2022-04-19 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS EUS (v.8.4) kpatch-patch-4_18_0-305-1-12.el8, kpatch-patch-4_18_0-305_10_2-1-9.el8_4, kpatch-patch-4_18_0-305_12_1-1-8.el8_4 +10
- RHSA-2022:1413 Released 2022-04-19 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux NFV EUS (v.8.4) kernel-rt-4.18.0-305.45.1.rt7.117.el8_4, kernel-rt-core-4.18.0-305.45.1.rt7.117.el8_4, kernel-rt-debug-4.18.0-305.45.1.rt7.117.el8_4 +9
- Red Hat Enterprise Linux RT EUS (v.8.4) kernel-rt-4.18.0-305.45.1.rt7.117.el8_4, kernel-rt-core-4.18.0-305.45.1.rt7.117.el8_4, kernel-rt-debug-4.18.0-305.45.1.rt7.117.el8_4 +7
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2022:1550 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2022:1535, RHSA-2022:1550 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.4) | Fixed | RHSA-2022:1418, RHSA-2022:1455 |
| Red Hat Enterprise Linux CRB EUS (v.8.4) | Fixed | RHSA-2022:1455 |
| Red Hat Enterprise Linux NFV EUS (v.8.4) | Fixed | RHSA-2022:1413 |
| Red Hat Enterprise Linux RT EUS (v.8.4) | Fixed | RHSA-2022:1413 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2022:1555 |
| Red Hat Enterprise Linux for Real Time (v. 8) | Fixed | RHSA-2022:1555 |
| Red Hat Virtualization 4 Hypervisor for RHEL 8 | Fixed | RHSA-2022:4896 |
Not affected: 5 products
- RHEL 8-based RHEV-H for RHEV 4 (build requirements)
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 9
- Red Hat Virtualization 4 Hypervisor for RHEL 8
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25636
- 2026-10-03 Alias added: GHSA-44m9-c2jp-x4c5
References
Exploit 3
Patch 3
Sources
- CVE-2022-25636 · CVE Program
- CVE-2022-25636 · NVD
- FIRST EPSS
- GHSA-44m9-c2jp-x4c5 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-25636 · 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