In the Linux kernel, the following vulnerability has been resolved:
xfrm: hold dev ref until after transport_finish NF_HOOK
After async crypto completes, xfrm_input_resume() calls dev_put() immediately on re-entry before the skb reaches transport_finish. The skb->dev pointer is then used inside NF_HOOK and its okfn, which can race with device teardown.
Remove the dev_put from the async resumption entry and instead drop the reference after the NF_HOOK call in transport_finish, using a saved device pointer since NF_HOOK may consume the skb. This covers NF_DROP, NF_QUEUE and NF_STOLEN paths that skip the okfn.
For non-transport exits (decaps, gro, drop) and secondary async return points, release the reference inline when async is set.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-5.10.258-257.1041Upgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade python-perf-debuginfoUpgrade perfUpgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel | Jun 23, 2026 | Jun 23, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel6.12-develUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-headersUpgrade kernel6.12-tools-debuginfoUpgrade perf6.12-debuginfoUpgrade kernel-livepatch-6.12.92-122.166Upgrade kernel6.12-toolsUpgrade kernel6.12Upgrade bpftool6.12Upgrade kernel6.12-modules-extraUpgrade bpftool6.12-debuginfoUpgrade python3-perf6.12Upgrade perf6.12Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.12-tools-develUpgrade kernel6.12-debuginfo | Jun 23, 2026 | Apr 24, 2026 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Jul 17, 2026 | Apr 24, 2026 |
| Rocky_linux | — | Upgrade kernel-rt-debug-modules-coreUpgrade kernel-zfcpdumpUpgrade libperf-debuginfoUpgrade kernel-zfcpdump-develUpgrade kernel-debug-devel-matchedUpgrade kernel-zfcpdump-modules-extraUpgrade python3-perfUpgrade kernel-debuginfo-common-s390xUpgrade kernel-rt-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-debugUpgrade kernel-rt-coreUpgrade kernel-modulesUpgrade kernel-rtUpgrade kernel-debuginfoUpgrade kernel-rt-debug-develUpgrade rtlaUpgrade kernel-debug-develUpgrade kernel-develUpgrade kernel-devel-matchedUpgrade kernel-rt-debuginfoUpgrade kernel-uki-virtUpgrade libperfUpgrade kernel-coreUpgrade kernel-tools-libs-develUpgrade perfUpgrade kernel-zfcpdump-modules-coreUpgrade perf-debuginfoUpgrade kernel-uki-virt-addonsUpgrade kernel-modules-coreUpgrade kernel-rt-debug-kvmUpgrade rvUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modulesUpgrade kernel-debug-modules-extraUpgrade kernel-tools-debuginfoUpgrade kernel-debug-uki-virtUpgrade kernel-rt-develUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-modules-extraUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-modules-coreUpgrade kernel-debug-coreUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-zfcpdump-debuginfoUpgrade kernel-debug-modulesUpgrade kernel-rt-debugUpgrade kernel-rt-modules-extraUpgrade kernelUpgrade bpftool-debuginfoUpgrade python3-perf-debuginfoUpgrade bpftoolUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-kvmUpgrade kernel-modules-extra-matchedUpgrade kernel-debug-debuginfoUpgrade kernel-tools-libsUpgrade kernel-rt-modules-core | Sep 18, 2026 | Sep 16, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1035-nvidia-tegra-rtNo solution existsUpgrade linux-image-6.8.0-1035-nvidia-tegra | May 25, 2026 | Apr 24, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 4, 2026 | Apr 24, 2026 |
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