Description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations
- Disallow families other than NFPROTO_{IPV4,IPV6,INET}.
- Disallow layer 4 protocol with no ports, since destination port is a
mandatory attribute for this object.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 5.3 | 5.4.269 |
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 | 6.7.7-1 | — |
| Debian 13 | linux | 6.7.7-1 | — |
| Debian 12 | linux | 6.1.82-1 | — |
| Debian 11 | linux | 5.10.216-1 | DSA-5681-1 |
| Debian 10 | linux-5.10 | 5.10.216-1~deb10u1 | DLA-3842-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1043.45 | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-106.116 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1061.67 | USN-6766-3 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1063.72 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-azure-6.5 | 6.5.0-1022.23~22.04.1 | USN-6819-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1063.72.1 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1059.67 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-gcp-6.5 | 6.5.0-1022.24~22.04.1 | USN-6818-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1058.63 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1044.51 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-hwe-6.5 | 6.5.0-41.41~22.04.2 | USN-6818-4 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1054.57 | USN-6766-2, USN-6766-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1057.63 | USN-6795-1 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.5 | 6.5.0-41.41.1~22.04.1 | USN-6818-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1054.55 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.5 | 6.5.0-1021.22 | USN-6818-3 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1026.26 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1015.15 | — |
| Ubuntu 22.04 LTS | linux-oem-6.5 | 6.5.0-1024.25 | USN-6819-3 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1059.65 | USN-6766-1 |
| Ubuntu 22.04 LTS | linux-oracle-6.5 | 6.5.0-1024.24~22.04.1 | USN-6819-4 |
| Ubuntu 22.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv-6.5 | 6.5.0-40.40.1~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-starfive-6.5 | 6.5.0-1015.16~22.04.1 | USN-6819-1 |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-181.201 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1124.134 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1061.67~20.04.1 | USN-6766-3 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1129.136 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1063.72~20.04.1 | USN-6766-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1063.72~20.04.1.1 | USN-6766-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1084.91 | USN-6767-2 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1128.137 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1059.67~20.04.1 | USN-6766-1 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1091.95 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1044.51~20.04.1 | USN-6766-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-106.116~20.04.1 | USN-6766-2, USN-6766-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1071.76 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1054.57~20.04.1 | USN-6766-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1058.64~20.04.1 | USN-6828-1 |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1036.37 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1112.119 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1027.27~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1123.132 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1059.65~20.04.1 | USN-6766-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1108.120 | USN-6767-1 |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1057.61~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-xilinx-zynqmp | 5.4.0-1043.47 | USN-6767-1 |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | 6.8.0-2001.1 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1054.56 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1062.70 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1061.67+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | 5.15.0-1063.72+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-106.116+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1059.67+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1124.134+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1129.136+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1098.108 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1128.137+fips1 | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 | 5.4.0-1124.134~18.04.1 | USN-6767-1 |
| Ubuntu Pro 18.04 LTS | linux-azure-5.4 | 5.4.0-1129.136~18.04.1 | USN-6767-1 |
| Ubuntu Pro 18.04 LTS | linux-gcp-5.4 | 5.4.0-1128.137~18.04.1 | USN-6767-1 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-181.201~18.04.1 | USN-6767-1 |
| Ubuntu Pro 18.04 LTS | linux-ibm-5.4 | 5.4.0-1071.76~18.04.1 | USN-6767-1 |
| Ubuntu Pro 18.04 LTS | linux-oracle-5.4 | 5.4.0-1123.132~18.04.1 | USN-6767-1 |
| Ubuntu Pro 18.04 LTS | linux-raspi-5.4 | 5.4.0-1108.120~18.04.1 | USN-6767-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bpftool | 7.3.0-427.18.1.el9_4 | RHSA-2024:3306 |
| RHEL 9 | rv +64 | 5.14.0-427.18.1.el9_4 | RHSA-2024:3306 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | bpftool | 7.0.0-284.67.1.el9_2 | RHSA-2024:3461 |
| RHEL 9.2 EUS | kernel-rt +14 | 5.14.0-284.67.1.rt14.352.el9_2 | RHSA-2024:3460 |
| RHEL 9.2 EUS | perf +47 | 5.14.0-284.67.1.el9_2 | RHSA-2024:3461 |
| RHEL 9.0 E4S | kernel-rt +12 | 5.14.0-70.105.1.rt21.177.el9_0 | RHSA-2024:4412 |
| RHEL 9.0 E4S | perf +28 | 5.14.0-70.105.1.el9_0 | RHSA-2024:4415 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | bpftool | 7.3.0-427.18.1.el9_4 | ALSA-2024:3306 |
| AlmaLinux 9 | rv +60 | 5.14.0-427.18.1.el9_4 | ALSA-2024:3306 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | kernel-64kb +3 | 6.4.0-150600.23.7.3 | SUSE-SU-2024:2203-1 |
| SLES 15 SP6 | kernel-azure +1 | 6.4.0-150600.8.5.4 | SUSE-SU-2024:2135-1 |
| SLES 15 SP6 | kernel-default-base | 6.4.0-150600.23.7.3.150600.12.2.7 | SUSE-SU-2024:2203-1 |
| SLES 15 SP6 | kernel-docs | 6.4.0-150600.23.7.4 | SUSE-SU-2024:2203-1 |
| SLES 15 SP6 | kernel-source | 6.4.0-150600.23.7.2 | SUSE-SU-2024:2203-1 |
| SLES 15 SP6 | kernel-syms | 6.4.0-150600.23.7.1 | SUSE-SU-2024:2203-1 |
| SLES 15 SP6 | kernel-syms-azure | 6.4.0-150600.8.5.1 | SUSE-SU-2024:2135-1 |
| SLES 15 SP5 | kernel-64kb +5 | 5.14.21-150500.55.62.2 | SUSE-SU-2024:1659-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.51.1 | SUSE-SU-2024:1644-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.62.2.150500.6.27.2 | SUSE-SU-2024:1659-1 |
| SLES 15 SP5 | kernel-syms | 5.14.21-150500.55.62.1 | SUSE-SU-2024:1659-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 6.0 | kernel-default-base | 6.4.0-17.1.1.51 | SUSE-SU-2025:20008-1 |
| SLE Micro 6.0 | kernel-rt +1 | 6.4.0-9.1 | SUSE-SU-2025:20028-1 |
| SLE Micro 6.0 | kernel-source +2 | 6.4.0-18.1 | SUSE-SU-2025:20008-1 |
| SLE Micro 5.5 | kernel-default | 5.14.21-150500.55.62.2 | SUSE-SU-2024:1659-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.62.2.150500.6.27.2 | SUSE-SU-2024:1659-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.52.1 | SUSE-SU-2024:1663-1 |
| SLE Live Patching 15 SP6 | kernel-default | 6.4.0-150600.23.7.3 | SUSE-SU-2024:2203-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6-RT_Update_1 | 1-150600.1.5.1 | SUSE-SU-2024:2973-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6_Update_1 | 1-150600.13.3.7 | SUSE-SU-2024:2203-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.62.2 | SUSE-SU-2024:1659-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5-RT_Update_14 | 1-150500.11.5.1 | SUSE-SU-2024:1663-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_13 | 1-150500.11.3.2 | SUSE-SU-2024:1659-1 |
| SUSE Real Time Module 15 SP6 | kernel-rt +3 | 6.4.0-150600.10.5.1 | SUSE-SU-2024:2973-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +3 | 5.14.21-150500.13.52.1 | SUSE-SU-2024:1663-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | dtb-aarch64 +2 | 6.4.0-150600.23.7.1 | SUSE-SU-2024:2203-1 |
| openSUSE Leap 15.6 | kernel-64kb +5 | 6.4.0-150600.23.7.3 | SUSE-SU-2024:2203-1 |
| openSUSE Leap 15.6 | kernel-azure +1 | 6.4.0-150600.8.5.4 | SUSE-SU-2024:2135-1 |
| openSUSE Leap 15.6 | kernel-default-base | 6.4.0-150600.23.7.3.150600.12.2.7 | SUSE-SU-2024:2203-1 |
| openSUSE Leap 15.6 | kernel-docs | 6.4.0-150600.23.7.4 | SUSE-SU-2024:2203-1 |
| openSUSE Leap 15.6 | kernel-rt +3 | 6.4.0-150600.10.5.1 | SUSE-SU-2024:2973-1 |
| openSUSE Leap 15.6 | kernel-source | 6.4.0-150600.23.7.2 | SUSE-SU-2024:2203-1 |
| openSUSE Leap 15.6 | kernel-syms-azure | 6.4.0-150600.8.5.1 | SUSE-SU-2024:2135-1 |
| openSUSE Leap 15.5 | dtb-aarch64 +2 | 5.14.21-150500.55.62.1 | SUSE-SU-2024:1659-1 |
| openSUSE Leap 15.5 | kernel-64kb +7 | 5.14.21-150500.55.62.2 | SUSE-SU-2024:1659-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.51.1 | SUSE-SU-2024:1644-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.62.2.150500.6.27.2 | SUSE-SU-2024:1659-1 |
| openSUSE Leap 15.5 | kernel-rt +3 | 5.14.21-150500.13.52.1 | SUSE-SU-2024:1663-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.77-99.164 | 1.0-0.amzn2023 | ALAS2023-2024-517 |
| Amazon Linux 2023 | perf +14 | 6.1.77-99.164.amzn2023 | ALAS2023-2024-517 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bpftool | 7.3.0-427.18.1.el9_4 | ELSA-2024-3306 |
| Oracle Linux 9 | rv +27 | 5.14.0-427.18.1.el9_4 | ELSA-2024-3306 |
Advisories 34
- USN-6819-4 linux-oracle-6.5 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6818-3 linux-nvidia-6.5 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6818-1 linux, linux-gcp, linux-gcp-6.5, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6819-3 linux-oem-6.5 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6818-4 linux-hwe-6.5 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6819-1 linux-azure, linux-azure-6.5, linux-starfive, linux-starfive-6.5 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6766-1 linux, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
- USN-6828-1 linux-intel-iotg-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
- USN-6766-3 linux-aws, linux-aws-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
- USN-6795-1 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
- USN-6766-2 linux-hwe-5.15, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
- ALSA-2024:3306 Moderate: kernel security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- USN-6767-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6767-2 linux-bluefield vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- WID-SEC-2024-0749 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 2026
- RHSA-2024:4415 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2024:4412 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2024:3461 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 19, 2026
- RHSA-2024:3460 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 19, 2026
- RHSA-2024:3306 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 19, 2026
- SUSE-SU-2025:20008-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20028-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-5681-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3842-1 linux-5.10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ICSA-25-226-15 Siemens SINEC OS CISA ICS & IT advisories · Feb 25, 2026
- SSA-613116 SSA-613116: Multiple Vulnerabilities in Third-Party Components in SINEC OS before V3.1 Siemens ProductCERT · Feb 24, 2026
- SUSE-SU-2024:2973-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1663-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2135-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2024-517 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 18, 2025
- SUSE-SU-2024:2203-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2024:1644-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2024:1659-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2024-3306 Moderate: kernel security and bug fix update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 23, 2024
References
- https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483
- https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d
- https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f
- https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98
- https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e
- https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8
- https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4