In the Linux kernel, the following vulnerability has been resolved:
net/sched: cls_bpf: reject dev-bound programs bound to a different device
cls_bpf_prog_from_efd() obtained a SCHED_CLS program via bpf_prog_get_type_dev() but never verified that a device-bound (offloaded) program's bound netdev matches the TC netdev the classifier is being attached to. This let a program loaded with prog_ifindex for device A be attached via cls_bpf + skip_sw to device B; deleting device A then destroyed the program's offload state while it was still attached to device B, triggering a netdevsim WARN (panic with panic_on_warn=1).
Mirror the XDP attach path (net/core/dev.c) and reject the attach with -EINVAL when a dev-bound program's bound device does not match the target device.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-headersUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-modules-extraUpgrade microvm-kernel6.18Upgrade kernel6.18Upgrade kernel6.18-debuginfoUpgrade kernel6.18-toolsUpgrade kernel6.18-develUpgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-tools-develUpgrade kernel6.18-modules-extra-commonUpgrade perf6.18Upgrade kernel6.18-tools-debuginfoUpgrade kernel-livepatch-6.18.48-107.148Upgrade perf6.18-debuginfoUpgrade python3-perf6.18Upgrade kernel6.18-debuginfo-common-aarch64Upgrade bpftool6.18Upgrade python3-perf6.18-debuginfo | Sep 30, 2026 | Aug 26, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Aug 27, 2026 | Aug 27, 2026 |
| Redhat_linux | — | No solution exists | Aug 31, 2026 | Aug 26, 2026 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1036-nvidia-tegra-rtUpgrade linux-image-6.8.0-1036-nvidia-tegraUpgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-tegra-rt-6.8 | Oct 7, 2026 | Oct 6, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 15, 2026 | Aug 26, 2026 |
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