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In the Linux kernel, the following vulnerability has been resolved:
openvswitch: defer tunnel netdev_put to RCU release
ovs_netdev_tunnel_destroy() may run after NETDEV_UNREGISTER already detached the device. Dropping the netdev reference in destroy can race with concurrent readers that still observe vport->dev.
Do not release vport->dev in ovs_netdev_tunnel_destroy(). Instead, let vport_netdev_free() drop the reference from the RCU callback, matching the non-tunnel destroy path and avoiding additional synchronization under RTNL.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-develUpgrade kernel-docUpgrade kernel-rt-develUpgrade kernel-rt-modulesUpgrade kernel-rtUpgrade kernel-rt-debug-coreUpgrade kernel-tools-libs-develUpgrade kernel-abi-stablelistsUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdumpUpgrade kernel-zfcpdump-modulesUpgrade bpftoolUpgrade kernel-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modules-extraUpgrade perfUpgrade kernel-tools-libsUpgrade kernel-rt-debugUpgrade kernel-debugUpgrade kernel-coreUpgrade kernel-modules-extraUpgrade kernel-debug-coreUpgrade kernel-rt-debug-modulesUpgrade kernelUpgrade kernel-modulesUpgrade kernel-rt-coreUpgrade kernel-cross-headersUpgrade kernel-zfcpdump-modules-extraUpgrade python3-perfUpgrade kernel-rt-debug-develUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-develUpgrade kernel-debug-develUpgrade kernel-headers | Oct 14, 2026 | Oct 14, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | May 3, 2026 | May 3, 2026 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | Jul 17, 2026 | Apr 25, 2026 |
| Rocky_linux | — | Upgrade perfUpgrade kernel-toolsUpgrade kernel-rtUpgrade python3-perf-debuginfoUpgrade kernel-debug-coreUpgrade kernel-rt-coreUpgrade kernel-rt-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debugUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-modulesUpgrade kernel-rt-debug-modules-extraUpgrade kernelUpgrade kernel-debug-develUpgrade kernel-rt-debug-develUpgrade kernel-debuginfoUpgrade kernel-rt-debug-kvmUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel-debug-modules-extraUpgrade kernel-rt-develUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-kvmUpgrade kernel-modules-extraUpgrade kernel-rt-modules-extraUpgrade bpftool-debuginfoUpgrade kernel-rt-debug-coreUpgrade bpftoolUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-modulesUpgrade python3-perfUpgrade kernel-debugUpgrade kernel-rt-modulesUpgrade kernel-develUpgrade kernel-tools-libsUpgrade kernel-core | Oct 19, 2026 | Oct 15, 2026 |
| Ubuntu | — | Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-genericUpgrade linux-image-oem-22.04cUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-azure-6.8Upgrade linux-image-oem-20.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-intel-iotgUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-tegraUpgrade linux-image-xilinx-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-aws-64kUpgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-oracleUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-aws-fipsUpgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-6.8.0-136-fipsUpgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-generic-64kUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-oem-20.04bUpgrade linux-image-raspiUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-gkeopUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-fipsUpgrade linux-image-realtime-6.8.1Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-azure-fde-6.8Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-realtimeUpgrade linux-image-azureUpgrade linux-image-ibm-classicUpgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-6.8.0-1061-awsUpgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-azure-fdeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatencyUpgrade linux-image-gke-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-oem-20.04dUpgrade linux-image-azure-fips-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-xilinxUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-awsUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-kvmUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-oem-22.04aUpgrade linux-image-laptop-23.10Upgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-136-genericUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-oem-20.04cUpgrade linux-image-aws-fips-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-gke-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-virtualUpgrade linux-image-aws-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-ibmUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1061-raspi | Jul 21, 2026 | Jul 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Apr 25, 2026 |
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