Description
In the Linux kernel, the following vulnerability has been resolved:
team: fix header_ops type confusion with non-Ethernet ports
Similar to commit 950803f72547 ("bonding: fix type confusion in
bond_setup_by_slave()") team has the same class of header_ops type
confusion.
For non-Ethernet ports, team_setup_by_port() copies port_dev->header_ops
directly. When the team device later calls dev_hard_header() or
dev_parse_header(), these callbacks can run with the team net_device
instead of the real lower device, so netdev_priv(dev) is interpreted as
the wrong private type and can crash.
The syzbot report shows a crash in bond_header_create(), but the root
cause is in team: the topology is gre -> bond -> team, and team calls
the inherited header_ops with its own net_device instead of the lower
device, so bond_header_create() receives a team device and interprets
netdev_priv() as bonding private data, causing a type confusion crash.
Fix this by introducing team header_ops wrappers for create/parse,
selecting a team port under RCU, and calling the lower device callbacks
with port->dev, so each callback always sees the correct net_device
context.
Also pass the selected lower device to the lower parse callback, so
recursion is bounded in stacked non-Ethernet topologies and parse
callbacks always run with the correct device context.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 3.7 | 6.1.191 |
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 | 6.19.11-1 | — |
| Debian 13 | linux | 6.12.85-1 | — |
| Debian 12 | linux | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 24.04 LTS | linux-bluefield | 6.8.0-1028.33 | — |
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | No fix yet | — |
| Ubuntu 25.10 | linux +8 | No fix yet | — |
| Ubuntu 24.04 LTS | linux | 6.8.0-136.136 | USN-8567-1 |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1061.64 | USN-8595-2 |
| Ubuntu 24.04 LTS | linux-azure | 6.8.0-1063.71 | USN-8606-1 |
| Ubuntu 24.04 LTS | linux-azure-fde | 6.8.0-1062.69 | USN-8607-1 |
| Ubuntu 24.04 LTS | linux-gcp | 6.8.0-1064.72 | USN-8567-1 |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1059.67 | USN-8567-1 |
| Ubuntu 24.04 LTS | linux-gkeop | 6.8.0-1046.50 | USN-8567-1 |
| Ubuntu 24.04 LTS | linux-ibm | 6.8.0-1061.62 | USN-8574-3 |
| Ubuntu 24.04 LTS | linux-lowlatency | 6.8.0-136.136.2 | USN-8574-2 |
| Ubuntu 24.04 LTS | linux-nvidia | 6.8.0-1059.62 | USN-8596-1 |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | 6.8.0-1059.62.1 | USN-8596-1 |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | 6.8.0-1030.31 | USN-8574-3 |
| Ubuntu 24.04 LTS | linux-oracle | 6.8.0-1058.61 | USN-8574-2 |
| Ubuntu 24.04 LTS | linux-raspi | 6.8.0-1061.65 | USN-8665-1 |
| Ubuntu 24.04 LTS | linux-riscv +27 | No fix yet | — |
| Ubuntu 24.04 LTS | linux-vmware | 6.8.0-1008.8 | — |
| Ubuntu 24.04 LTS | linux-xilinx | 6.8.0-1033.34 | USN-8574-3 |
| Ubuntu 22.04 LTS | linux +49 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-aws-6.8 | 6.8.0-1061.64~22.04.1 | USN-8595-3 |
| Ubuntu 22.04 LTS | linux-azure-6.8 | 6.8.0-1063.71~22.04.1 | USN-8606-1 |
| Ubuntu 22.04 LTS | linux-azure-fde-6.8 | 6.8.0-1062.69~22.04.1 | USN-8609-1 |
| Ubuntu 22.04 LTS | linux-gcp-6.8 | 6.8.0-1064.72~22.04.1 | USN-8567-1 |
| Ubuntu 22.04 LTS | linux-hwe-6.8 | 6.8.0-136.136~22.04.1 | USN-8619-1 |
| Ubuntu 22.04 LTS | linux-ibm-6.8 | 6.8.0-1061.62~22.04.1 | USN-8574-3 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.8 | 6.8.0-136.136.2~22.04.1 | USN-8574-2 |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | 6.8.0-1059.62~22.04.1 | USN-8596-1 |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | 6.8.0-1058.61~22.04.1 | USN-8595-1 |
| Ubuntu 22.04 LTS | linux-riscv-6.8 | 6.8.0-136.136~22.04.3 | — |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | 6.8.0-2050.52 | USN-8665-1 |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1056.57 | USN-8567-1 |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 +1 | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime-6.8 | 6.8.1-1056.57~22.04.2 | USN-8567-1 |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-aws-fips | 6.8.0-1061.64+fips1 | USN-8595-3 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-azure-fips | 6.8.0-1063.71+fips2 | USN-8608-1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips | 6.8.0-136.136+fips2 | USN-8574-2 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-gcp-fips | 6.8.0-1064.72+fips1 | USN-8574-1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux +21 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux +12 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | linux +7 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux +3 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | kernel-64kb +6 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 |
| SLES 15 SP7 | kernel-default-base | 6.4.0-150700.53.66.1.150700.17.39.1 | SUSE-SU-2026:2800-1 |
| SLES 15 SP7 | kernel-docs | 6.4.0-150700.53.66.2 | SUSE-SU-2026:2800-1 |
| SLES 15 SP6 | kernel-64kb +6 | 6.4.0-150600.23.135.1 | SUSE-SU-2026:4369-1 |
| SLES 15 SP6 | kernel-default-base | 6.4.0-150600.23.135.1.150600.12.62.4 | SUSE-SU-2026:4369-1 |
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.189.1 | SUSE-SU-2026:4595-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.189.1.150500.6.87.4 | SUSE-SU-2026:4595-1 |
| SLES 15 SP4 | kernel-64kb +2 | 5.14.21-150400.24.240.2 | SUSE-SU-2026:4284-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.240.2.150400.24.120.2 | SUSE-SU-2026:4284-1 |
| SLES 15 SP4 | kernel-docs +3 | 5.14.21-150400.24.240.1 | SUSE-SU-2026:4284-1 |
| SLES 12 SP5 | kernel-syms +2 | 4.12.14-122.320.1 | SUSE-SU-2026:2914-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | kernel-64kb +8 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 |
| SLES for SAP 16.0 | kernel-default-base | 6.12.0-160000.36.1.160000.2.17 | SUSE-SU-2026:22835-1 |
| SLES for SAP 15 SP6 | kernel-default-base | 6.4.0-150600.23.135.1.150600.12.62.4 | SUSE-SU-2026:4369-1 |
| SLES for SAP 15 SP6 | kernel-docs +4 | 6.4.0-150600.23.135.1 | SUSE-SU-2026:4369-1 |
| SLES for SAP 15 SP5 | kernel-default-base | 5.14.21-150500.55.189.1.150500.6.87.4 | SUSE-SU-2026:4595-1 |
| SLES for SAP 15 SP5 | kernel-docs +4 | 5.14.21-150500.55.189.1 | SUSE-SU-2026:4595-1 |
| SLES for SAP 15 SP4 | kernel-default | 5.14.21-150400.24.240.2 | SUSE-SU-2026:4284-1 |
| SLES for SAP 15 SP4 | kernel-default-base | 5.14.21-150400.24.240.2.150400.24.120.2 | SUSE-SU-2026:4284-1 |
| SLES for SAP 15 SP4 | kernel-docs +3 | 5.14.21-150400.24.240.1 | SUSE-SU-2026:4284-1 |
| SLES 16.0 | kernel-64kb +8 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1, SUSE-SU-2026:22812-1 |
| SLES 16.0 | kernel-default-base | 6.12.0-160000.36.1.160000.2.17 | SUSE-SU-2026:22835-1 |
| SLE Micro 6.2 | kernel-default-base | 6.12.0-160000.36.1.160000.2.17 | SUSE-SU-2026:22769-1 |
| SLE Micro 6.2 | kernel-rt +5 | 6.12.0-160000.36.1 | SUSE-SU-2026:22769-1, SUSE-SU-2026:22742-1 |
| SLE Micro 6.1 | kernel-rt +4 | 6.4.0-49.1 | SUSE-SU-2026:22666-1, SUSE-SU-2026:22665-1 |
| SLE Micro 6.0 | kernel-rt +4 | 6.4.0-49.1 | SUSE-SU-2026:22522-1, SUSE-SU-2026:22521-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.189.1.150500.6.87.4 | SUSE-SU-2026:4595-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.161.1 | SUSE-SU-2026:4347-1 |
| SLE Micro 5.5 | kernel-source +1 | 5.14.21-150500.55.189.1 | SUSE-SU-2026:4595-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.240.2 | SUSE-SU-2026:4284-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.240.2.150400.24.120.2 | SUSE-SU-2026:4284-1 |
| SLE Micro 5.4 | kernel-rt +1 | 5.14.21-150400.15.186.1 | SUSE-SU-2026:4279-1 |
| SLE Micro 5.4 | kernel-source | 5.14.21-150400.24.240.1 | SUSE-SU-2026:4284-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.240.2 | SUSE-SU-2026:4284-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.240.2.150400.24.120.2 | SUSE-SU-2026:4284-1 |
| SLE Micro 5.3 | kernel-rt +1 | 5.14.21-150400.15.186.1 | SUSE-SU-2026:4279-1 |
| SLE Micro 5.3 | kernel-source | 5.14.21-150400.24.240.1 | SUSE-SU-2026:4284-1 |
| SLE Live Patching 15 SP7 | kernel-default | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 |
| SLE Live Patching 15 SP7 | kernel-livepatch-SLE15-SP7-RT_Update_17 | 1-150700.1.3.1 | SUSE-SU-2026:2799-1 |
| SLE Live Patching 15 SP7 | kernel-livepatch-SLE15-SP7_Update_18 | 1-150700.15.3.1 | SUSE-SU-2026:2800-1 |
| SLE Live Patching 15 SP6 | kernel-default | 6.4.0-150600.23.135.1 | SUSE-SU-2026:4369-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6_Update_31 | 1-150600.13.3.4 | SUSE-SU-2026:4369-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.189.1 | SUSE-SU-2026:4595-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_45 | 1-150500.11.5.3 | SUSE-SU-2026:4595-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.240.2 | SUSE-SU-2026:4284-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_59 | 1-150400.9.5.1 | SUSE-SU-2026:4284-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.320.1 | SUSE-SU-2026:2914-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_85 | 1-8.3.1 | SUSE-SU-2026:2914-1 |
| SLE HPC 15 SP5 | kernel-64kb +5 | 5.14.21-150500.55.189.1 | SUSE-SU-2026:4595-1 |
| SLE HPC 15 SP5 | kernel-default-base | 5.14.21-150500.55.189.1.150500.6.87.4 | SUSE-SU-2026:4595-1 |
| SLE HPC 15 SP4 | kernel-64kb +1 | 5.14.21-150400.24.240.2 | SUSE-SU-2026:4284-1 |
| SLE HPC 15 SP4 | kernel-default-base | 5.14.21-150400.24.240.2.150400.24.120.2 | SUSE-SU-2026:4284-1 |
| SLE HPC 15 SP4 | kernel-docs +3 | 5.14.21-150400.24.240.1 | SUSE-SU-2026:4284-1 |
| SUSE Real Time Module 15 SP7 | kernel-rt +2 | 6.4.0-150700.7.62.1 | SUSE-SU-2026:2799-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | kernel-default-base | 6.12.0-160000.36.1.160000.2.17 | openSUSE-SU-2026:21388-1 |
| openSUSE Leap 16.0 | kernel-rt +11 | 6.12.0-160000.36.1 | openSUSE-SU-2026:21388-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.18.25-52.107 +1 | 1:1.0-0.amzn2023 | ALAS2023-2026-1746, ALAS2023-2026-1646 |
| Amazon Linux 2023 | perf6.12 +14 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 |
| Amazon Linux 2023 | perf6.18 +11 | 1:6.18.25-52.107.amzn2023 | ALAS2023-2026-1746 |
Advisories 34
- USN-8574-2 linux-fips, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8596-1 linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8607-1 linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8608-1 linux-azure-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8595-1 linux-oracle-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8595-3 linux-aws-6.8, linux-aws-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8609-1 linux-azure-fde-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8595-2 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8574-1 linux-gcp-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8574-3 linux-ibm, linux-ibm-6.8, linux-nvidia-tegra, linux-xilinx vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8619-1 linux-hwe-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8665-1 linux-raspi, linux-raspi-realtime vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- USN-8606-1 linux-azure, linux-azure-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 13, 2026
- WID-SEC-2026-1252 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- USN-8567-1 linux, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-realtime, linux-realtime-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 7, 2026
- SUSE-SU-2026:4595-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Oct 9, 2026
- SUSE-SU-2026:4369-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Oct 2, 2026
- SUSE-SU-2026:4347-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Sep 25, 2026
- SUSE-SU-2026:4279-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Sep 23, 2026
- SUSE-SU-2026:4284-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Sep 23, 2026
- SUSE-SU-2026:22835-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 28, 2026
- SUSE-SU-2026:22812-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 28, 2026
- openSUSE-SU-2026:21388-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 24, 2026
- SUSE-SU-2026:22769-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 23, 2026
- SUSE-SU-2026:22742-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 23, 2026
- SUSE-SU-2026:22665-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 21, 2026
- SUSE-SU-2026:22666-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 21, 2026
- SUSE-SU-2026:2914-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 14, 2026
- SUSE-SU-2026:22521-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 9, 2026
- SUSE-SU-2026:22522-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 9, 2026
- SUSE-SU-2026:2799-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 9, 2026
- SUSE-SU-2026:2800-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 9, 2026
- ALAS2023-2026-1746 Important: kernel6.18 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jul 1, 2026
- ALAS2023-2026-1646 Important: kernel6.12 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 11, 2026
References
- https://git.kernel.org/stable/c/c6e255b0ce30cdea37e34d6d87e2212eb8c7f7a4
- https://git.kernel.org/stable/c/420e5aad7ba89e8f79e2dc8327b0c0c24c1c1d53
- https://git.kernel.org/stable/c/6d3161fa3eee64d46b766fb0db33ec7f300ef52d
- https://git.kernel.org/stable/c/0a7468ed49a6b65d34abcc6eb60e15f7f6d34da0
- https://git.kernel.org/stable/c/20491d384d973a63fbdaf7a71e38d69b0659ea55
- https://git.kernel.org/stable/c/425000dbf17373a4ab8be9428f5dc055ef870a56