Description
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.
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 | linux | 5.16.11-1 | — |
| Debian 13 | linux | 5.16.11-1 | — |
| Debian 12 | linux | 5.16.11-1 | — |
| Debian 11 | linux | 5.10.103-1 | DSA-5095-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-104.118 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1068.72 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-aws-5.13 +1 | 5.13.0-1017.19~20.04.1 | USN-5317-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1072.75 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1072.75+cvm1.1 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1030.33 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1067.71 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | 5.13.0-1019.23~20.04.1 | USN-5317-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1065.68 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1036.37 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | 5.13.0-35.40~20.04.1 | USN-5317-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1017.19 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-intel-5.13 | 5.13.0-1010.10 | USN-5362-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1008.11~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1058.61 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1027.30 | USN-5317-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1066.71 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | 5.13.0-1021.26~20.04.1 | USN-5317-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1055.62 | USN-5318-1 |
| Ubuntu 20.04 LTS | linux-riscv +16 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1068.72~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1072.75~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-gcp +11 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1067.71~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1065.68~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1036.37~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-104.118~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1017.19~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1066.71~18.04.1 | USN-5318-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1055.62~18.04.1 | USN-5318-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1045.51 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux | 5.4.0-105.119 | LSN-0085-1 |
| Ubuntu Pro 20.04 LTS | linux-aws | 5.4.0-1069.73 | LSN-0085-1 |
| Ubuntu Pro 20.04 LTS | linux-azure | 5.4.0-1073.76 | LSN-0085-1 |
| Ubuntu Pro 20.04 LTS | linux-gcp | 5.4.0-1068.72 | LSN-0085-1 |
| Ubuntu Pro 20.04 LTS | linux-gke | 5.4.0-1066.69 | LSN-0085-1 |
| Ubuntu Pro 20.04 LTS | linux-gkeop | 5.4.0-1037.38 | LSN-0085-1 |
| Ubuntu Pro 20.04 LTS | linux-ibm | 5.4.0-1018.20 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux | 4.15.0-173.182 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux-aws | 4.15.0-1124.133 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux-azure-4.15 | 4.15.0-1134.147 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux-gke-5.4 | 5.4.0-1066.69~18.04.1 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1037.38~18.04.1 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-105.119~18.04.1 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux-ibm-5.4 | 5.4.0-1018.20~18.04.1 | LSN-0085-1 |
| Ubuntu Pro 18.04 LTS | linux-oem +1 | No fix yet | LSN-0085-1 |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-222.255 | LSN-0085-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1138.152 | LSN-0085-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1134.147~16.04.1 | LSN-0085-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-173.182~16.04.1 | LSN-0085-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-222.255~14.04.1 | LSN-0085-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-348.23.1.rt7.153.el8_5 | RHSA-2022:1555 |
| RHEL 8 | kpatch-patch-4_18_0-348 | 1-4.el8 | RHSA-2022:1535 |
| RHEL 8 | kpatch-patch-4_18_0-348_12_2 | 1-2.el8_5 | RHSA-2022:1535 |
| RHEL 8 | kpatch-patch-4_18_0-348_20_1 | 1-1.el8_5 | RHSA-2022:1535 |
| RHEL 8 | kpatch-patch-4_18_0-348_2_1 +1 | 1-3.el8_5 | RHSA-2022:1535 |
| RHEL 8 | perf +26 | 4.18.0-348.23.1.el8_5 | RHSA-2022:1550 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | redhat-virtualization-host +1 | 4.5.0-202205291010_8.6 | RHSA-2022:4896 |
| RHEL 8.4 EUS | kernel-rt +12 | 4.18.0-305.45.1.rt7.117.el8_4 | RHSA-2022:1413 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305 | 1-12.el8 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_10_2 | 1-9.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_12_1 | 1-8.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_17_1 +1 | 1-7.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_25_1 | 1-6.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_28_1 +1 | 1-4.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_34_2 | 1-2.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_3_1 | 1-11.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_40_1 +1 | 1-1.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | kpatch-patch-4_18_0-305_7_1 | 1-10.el8_4 | RHSA-2022:1418 |
| RHEL 8.4 EUS | perf +26 | 4.18.0-305.45.1.el8_4 | RHSA-2022:1455 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | kernel-tools-libs-devel | 4.18.0-348.23.1.el8_5 | ALSA-2022:1550 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | kernel | 4.18.0-348.23.1.el8_5 | RLSA-2022:1550 |
| Rocky Linux 8 | kernel-rt | 4.18.0-348.23.1.rt7.153.el8_5 | RLSA-2022:1555 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.60.4 | SUSE-SU-2022:1039-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.50.1 | SUSE-SU-2022:1037-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.60.4.150300.18.37.5 | SUSE-SU-2022:1039-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.60.4 | SUSE-SU-2022:1039-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.60.4.150300.18.37.5 | SUSE-SU-2022:1039-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.82.1 | SUSE-SU-2022:1038-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.60.4 | SUSE-SU-2022:1039-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_0 | 13-150200.3.1 | SUSE-SU-2022:0978-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_1 +2 | 11-150300.2.1 | SUSE-SU-2022:0978-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_10 +1 | 5-150300.2.1 | SUSE-SU-2022:0998-1, SUSE-SU-2022:0984-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_12 +1 | 4-150300.2.1 | SUSE-SU-2022:0998-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_14 | 3-150300.2.1 | SUSE-SU-2022:0998-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_15 | 2-150300.2.1 | SUSE-SU-2022:1034-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_16 | 1-150300.7.5.3 | SUSE-SU-2022:1039-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_4 | 10-150300.2.1 | SUSE-SU-2022:0978-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_5 | 9-150300.2.1 | SUSE-SU-2022:0984-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_6 +1 | 7-150300.2.1 | SUSE-SU-2022:0984-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_9 | 6-150300.2.1 | SUSE-SU-2022:0984-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.82.1 | SUSE-SU-2022:1038-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | dtb-aarch64 +11 | 5.3.18-150300.59.60.4 | openSUSE-SU-2022:1039-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.50.1 | openSUSE-SU-2022:1037-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.60.4.150300.18.37.5 | openSUSE-SU-2022:1039-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.10-15.42 | 1.0-0.amzn2023 | ALAS2023-2023-070 |
| Amazon Linux 2023 | perf +12 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-348.23.1.el8_5 | ELSA-2022-1550 |
| Oracle Linux 7 | kernel-uek +4 | 5.4.17-2136.304.4.2.el8uek | ELSA-2022-9244, ELSA-2022-9181 |
| Oracle Linux 7 | kernel-uek-container +1 | 5.4.17-2136.304.4.2.el8 | ELSA-2022-9245, ELSA-2022-9182 |
| Oracle Linux 7 | perf +3 | 5.4.17-2136.304.4.2.el7uek | ELSA-2022-9244, ELSA-2022-9181 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 3 repositories
-
Bonfee/CVE-2022-25636 ★ 438 · Mar 7, 2022
CVE-2022-25636
-
veritas501/CVE-2022-25636-PipeVersion ★ 19 · Apr 5, 2022
CVE-2022-25636 exploit rewritten with pipe primitive
-
chenaotian/CVE-2022-25636 ★ 3 · Mar 24, 2022
CVE-2022-0185 analysis write up
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 30
- ALSA-2022:1550 Important: kernel security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:4896 Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update [ovirt-4.5.0] Red Hat Security Advisories (RHSA) · Oct 9, 2026
- USN-5362-1 linux-intel-5.13 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- RHSA-2022:1550 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2022:1555 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2022:1535 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2022:1418 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2022:1455 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2022:1413 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- USN-5317-1 linux, linux-aws, linux-aws-5.13, linux-azure, linux-azure-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-kvm, linux-oem-5.14, linux-oracle, linux-oracle-5.13, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-5318-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- LSN-0085-1 Kernel Live Patch Security Notice Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-5095-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:1550 Important: kernel security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2022:1555 Important: kernel-rt security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2022:1037-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1038-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:1039-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0984-1 Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1034-1 Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1037-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1039-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0978-1 Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0998-1 Security update for the Linux Kernel (Live Patch 14 for SLE 15 SP3) SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2023-2023-070 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 10, 2024
- ELSA-2022-1550 Important: kernel security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 27, 2022
- ELSA-2022-9244 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 23, 2022
- ELSA-2022-9245 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 23, 2022
- ELSA-2022-9182 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 28, 2022
- ELSA-2022-9181 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 28, 2022
References
- https://www.openwall.com/lists/oss-security/2022/02/21/2
- https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=b1a5983f56e371046dcf164f90bfaf704d2b89f6
- [oss-security] 20220222 Re: Linux kernel: heap out of bounds write in nf_dup_netdev.c since 5.4 mailing-list
- DSA-5095 vendor-advisory
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://nickgregory.me/linux/security/2022/03/12/cve-2022-25636/
- https://github.com/Bonfee/CVE-2022-25636
- http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html
- https://security.netapp.com/advisory/ntap-20220325-0002/