Description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: flowtable: validate pppoe header
Ensure there is sufficient room to access the protocol field of the
PPPoe header. Validate it once before the flowtable lookup, then use a
helper function to access protocol field.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 5.13 | 5.15.157 |
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 | 6.8.9-1 | — |
| Debian 13 | linux | 6.8.9-1 | — |
| Debian 12 | linux | 6.1.90-1 | DSA-5680-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1047.49 | — |
| Ubuntu 24.04 LTS | linux | 6.8.0-38.38 | USN-6893-1 |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1011.12 | USN-6893-3 |
| Ubuntu 24.04 LTS | linux-azure | 6.8.0-1010.10 | USN-6893-1 |
| Ubuntu 24.04 LTS | linux-gcp | 6.8.0-1010.11 | USN-6893-1 |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1006.9 | USN-6893-2 |
| Ubuntu 24.04 LTS | linux-ibm +2 | 6.8.0-1008.8 | USN-6918-1, USN-6893-1 |
| Ubuntu 24.04 LTS | linux-intel | 6.8.0-1007.14 | USN-6893-1 |
| Ubuntu 24.04 LTS | linux-nvidia | 6.8.0-1009.9 | USN-6893-2 |
| Ubuntu 24.04 LTS | linux-raspi | 6.8.0-1007.7 | USN-6893-1 |
| Ubuntu 24.04 LTS | linux-riscv +1 | 6.8.0-38.38.1 | USN-6893-1 |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-116.126 | USN-6898-2, USN-6898-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1065.71 | USN-6898-3 |
| Ubuntu 22.04 LTS | linux-aws-6.8 | 6.8.0-1011.12~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1068.77 | USN-6917-1 |
| Ubuntu 22.04 LTS | linux-azure-6.8 | 6.8.0-1010.10~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1068.77.1 | USN-6917-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1064.72 | USN-6898-1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1062.68 | USN-6898-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1048.55 | USN-6898-1 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1058.61 | USN-6919-1, USN-6898-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1060.66 | USN-6898-1 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1062.67 | USN-6898-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1060.61 | USN-6898-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | 6.8.0-1009.9~22.04.1 | — |
| 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-oracle | 5.15.0-1063.69 | USN-6898-1 |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | 6.8.0-1008.8~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-riscv +31 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1035.39 | USN-7019-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1065.71~20.04.1 | USN-6898-4 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1068.77~20.04.1 | USN-6917-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1068.77~20.04.1.1 | USN-6917-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1065.73~20.04.1 | USN-6927-1 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1048.55~20.04.1 | USN-6898-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-116.126~20.04.1 | USN-6898-3, USN-6898-2 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1058.61~20.04.1 | USN-6898-2 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1060.66~20.04.1 | USN-6898-1 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1027.27~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1063.69~20.04.1 | USN-6898-2 |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1061.65~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | 6.8.0-2006.6 | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1004.4 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1058.60 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1066.74 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1065.71+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | 5.15.0-1068.77+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-115.125+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1064.72+fips1 | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bpftool | 7.3.0-427.33.1.el9_4 | RHSA-2024:5928 |
| RHEL 9 | rv +64 | 5.14.0-427.33.1.el9_4 | RHSA-2024:5928 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | bpftool | 7.0.0-284.75.1.el9_2 | RHSA-2024:4823 |
| RHEL 9.2 EUS | kernel-rt +14 | 5.14.0-284.75.1.rt14.360.el9_2 | RHSA-2024:4831 |
| RHEL 9.2 EUS | perf +48 | 5.14.0-284.75.1.el9_2 | RHSA-2024:4823 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | bpftool | 7.3.0-427.33.1.el9_4 | ALSA-2024:5928 |
| AlmaLinux 9 | rv +60 | 5.14.0-427.33.1.el9_4 | ALSA-2024:5928 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | kernel-64kb +5 | 6.4.0-150600.23.17.1 | SUSE-SU-2024:2802-1 |
| SLES 15 SP6 | kernel-azure +1 | 6.4.0-150600.8.8.2 | SUSE-SU-2024:2896-1 |
| SLES 15 SP6 | kernel-default-base | 6.4.0-150600.23.17.1.150600.12.6.2 | SUSE-SU-2024:2802-1 |
| SLES 15 SP6 | kernel-docs | 6.4.0-150600.23.17.3 | SUSE-SU-2024:2802-1 |
| SLES 15 SP6 | kernel-syms-azure | 6.4.0-150600.8.8.1 | SUSE-SU-2024:2896-1 |
| SLES 15 SP5 | kernel-64kb +4 | 5.14.21-150500.55.80.2 | SUSE-SU-2024:3483-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.66.1 | SUSE-SU-2024:3190-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.80.2.150500.6.35.6 | SUSE-SU-2024:3483-1 |
| SLES 15 SP5 | kernel-syms +1 | 5.14.21-150500.55.80.1 | SUSE-SU-2024:3483-1 |
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 | 5.14.21-150500.55.80.2 | SUSE-SU-2024:3483-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.80.2.150500.6.35.6 | SUSE-SU-2024:3483-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.67.3 | SUSE-SU-2024:3209-1 |
| SLE Live Patching 15 SP6 | kernel-default | 6.4.0-150600.23.17.1 | SUSE-SU-2024:2802-1 |
| 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_3 | 1-150600.13.3.1 | SUSE-SU-2024:2802-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.80.2 | SUSE-SU-2024:3483-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_19 +1 | 1-150500.11.3.2 | SUSE-SU-2024:3483-1, SUSE-SU-2024:3209-1 |
| 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 +2 | 5.14.21-150500.13.67.3 | SUSE-SU-2024:3209-1 |
| SUSE Real Time Module 15 SP5 | kernel-syms-rt | 5.14.21-150500.13.67.1 | SUSE-SU-2024:3209-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | dtb-aarch64 +9 | 6.4.0-150600.23.17.1 | SUSE-SU-2024:2802-1 |
| openSUSE Leap 15.6 | kernel-azure +1 | 6.4.0-150600.8.8.2 | SUSE-SU-2024:2896-1 |
| openSUSE Leap 15.6 | kernel-default-base | 6.4.0-150600.23.17.1.150600.12.6.2 | SUSE-SU-2024:2802-1 |
| openSUSE Leap 15.6 | kernel-docs | 6.4.0-150600.23.17.3 | SUSE-SU-2024:2802-1 |
| openSUSE Leap 15.6 | kernel-rt +3 | 6.4.0-150600.10.5.1 | SUSE-SU-2024:2973-1 |
| openSUSE Leap 15.6 | kernel-syms-azure | 6.4.0-150600.8.8.1 | SUSE-SU-2024:2896-1 |
| openSUSE Leap 15.5 | dtb-aarch64 +3 | 5.14.21-150500.55.80.1 | SUSE-SU-2024:3483-1 |
| openSUSE Leap 15.5 | kernel-64kb +6 | 5.14.21-150500.55.80.2 | SUSE-SU-2024:3483-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.66.1 | SUSE-SU-2024:3190-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.80.2.150500.6.35.6 | SUSE-SU-2024:3483-1 |
| openSUSE Leap 15.5 | kernel-rt +2 | 5.14.21-150500.13.67.3 | SUSE-SU-2024:3209-1 |
| openSUSE Leap 15.5 | kernel-syms-rt | 5.14.21-150500.13.67.1 | SUSE-SU-2024:3209-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.5 | kernel-default | 5.14.21-150500.55.80.2 | SUSE-SU-2024:3483-1 |
| openSUSE Leap Micro 5.5 | kernel-default-base | 5.14.21-150500.55.80.2.150500.6.35.6 | SUSE-SU-2024:3483-1 |
| openSUSE Leap Micro 5.5 | kernel-rt | 5.14.21-150500.13.67.3 | SUSE-SU-2024:3209-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.90-99.173 | 1.0-0.amzn2023 | ALAS2023-2024-695 |
| Amazon Linux 2023 | perf +14 | 6.1.90-99.173.amzn2023 | ALAS2023-2024-695 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.158.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bpftool | 7.3.0-427.33.1.el9_4 | ELSA-2024-5928 |
| Oracle Linux 9 | rv +27 | 5.14.0-427.33.1.el9_4 | ELSA-2024-5928 |
Advisories 29
- ALSA-2024:5928 Important: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- USN-6919-1 linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 27, 2026
- USN-7019-1 linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-6917-1 linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-6927-1 linux-gcp-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-6898-1 linux, linux-gcp, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-ibm, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-nvidia, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6893-1 linux, linux-azure, linux-gcp, linux-ibm, linux-intel, linux-lowlatency, linux-oem-6.8, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6898-2 linux-ibm-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6898-3 linux-aws, linux-hwe-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6898-4 linux-aws-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6893-2 linux-gke, linux-nvidia vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6893-3 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6918-1 linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- RHSA-2024:4831 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2024:4823 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- WID-SEC-2024-1008 Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Oct 12, 2026
- RHSA-2024:5928 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Sep 13, 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-5680-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2024:2973-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3483-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3209-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2896-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3190-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-1293 IBM DataPower Gateway: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 3, 2025
- ALAS2023-2024-695 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jun 5, 2025
- SUSE-SU-2024:2802-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2024-5928 Important: kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 28, 2024
References
- https://git.kernel.org/stable/c/d06977b9a4109f8738bb276125eb6a0b772bc433
- https://git.kernel.org/stable/c/8bf7c76a2a207ca2b4cfda0a279192adf27678d7
- https://git.kernel.org/stable/c/a2471d271042ea18e8a6babc132a8716bb2f08b9
- https://git.kernel.org/stable/c/cf366ee3bc1b7d1c76a882640ba3b3f8f1039163
- https://git.kernel.org/stable/c/87b3593bed1868b2d9fe096c01bcdf0ea86cbebf