In the Linux kernel, the following vulnerability has been resolved:
netfilter: allow exp not to be removed in nf_ct_find_expectation
Currently nf_conntrack_in() calling nf_ct_find_expectation() will remove the exp from the hash table. However, in some scenario, we expect the exp not to be removed when the created ct will not be confirmed, like in OVS and TC conntrack in the following patches.
This patch allows exp not to be removed by setting IPS_CONFIRMED in the status of the tmpl.
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_2023 | — | Upgrade kernel-libbpfUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade perfUpgrade perf-debuginfoUpgrade kernel-develUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-libbpf-develUpgrade kernelUpgrade kernel-libbpf-staticUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade python3-perf-debuginfoUpgrade kernel-modules-extra-commonUpgrade kernel-modules-extraUpgrade kernel-livepatch-6.1.130-139.222Upgrade bpftool-debuginfo | Jun 11, 2025 | Mar 14, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Apr 14, 2025 | Mar 14, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelists | Oct 14, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelists | Nov 12, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftool | Oct 24, 2025 | Oct 10, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 14, 2025 |
| Ubuntu | — | Upgrade linux-image-4.15.0-237-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-azure-fdeUpgrade linux-image-5.15.0-1079-kvmUpgrade linux-image-5.15.0-1082-gcpUpgrade linux-image-5.4.0-1051-iotUpgrade linux-image-5.15.0-1077-nvidia-lowlatencyUpgrade linux-image-5.4.0-215-genericUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-genericUpgrade linux-image-5.15.0-1083-gcpUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-oem-20.04bUpgrade linux-image-5.4.0-1119-fipsUpgrade linux-image-raspiUpgrade linux-image-5.4.0-1143-oracleUpgrade linux-image-4.15.0-1135-fipsUpgrade linux-image-oemUpgrade linux-image-4.15.0-2097-azure-fipsUpgrade linux-image-azure-lts-22.04Upgrade linux-image-gkeopUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-139-fipsUpgrade linux-image-nvidia-tegraUpgrade linux-image-4.15.0-1173-gcpUpgrade linux-image-aws-hweUpgrade linux-image-azureUpgrade linux-image-5.15.0-139-genericUpgrade linux-image-aws-lts-20.04Upgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-1080-gkeUpgrade linux-image-aws-lts-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-139-lowlatency-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.4.0-1145-aws-fipsUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-azure-lts-18.04Upgrade linux-image-5.15.0-1076-intel-iot-realtimeUpgrade linux-image-5.4.0-1148-gcpUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1088-azureUpgrade linux-image-generic-64kUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-4.15.0-237-genericUpgrade linux-image-4.15.0-2081-gcp-fipsUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-5.4.0-215-generic-lpaeUpgrade linux-image-nvidiaUpgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1036-nvidia-tegra-rtUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-intel-iotgUpgrade linux-image-oem-osp1Upgrade linux-image-ibmUpgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-4.15.0-1188-azureUpgrade linux-image-intelUpgrade linux-image-gcpUpgrade linux-image-5.15.0-1088-azure-fdeUpgrade linux-image-4.15.0-2118-aws-fipsUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.4.0-1145-awsUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-kvmUpgrade linux-image-5.15.0-1082-gcp-fipsUpgrade linux-image-bluefieldUpgrade linux-image-5.15.0-1050-xilinx-zynqmpUpgrade linux-image-5.15.0-139-generic-lpaeUpgrade linux-image-5.15.0-1075-ibmUpgrade linux-image-5.4.0-1150-azureUpgrade linux-image-5.15.0-1083-awsUpgrade linux-image-5.4.0-1092-ibmUpgrade linux-image-realtimeUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.4.0-1064-xilinx-zynqmpUpgrade linux-image-5.15.0-1088-azure-fipsUpgrade linux-image-azure-fipsUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-139-lowlatencyUpgrade linux-image-gkeUpgrade linux-image-oracleUpgrade linux-image-fipsUpgrade linux-image-5.15.0-1065-gkeopUpgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-1024-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.4.0-1151-azure-fipsUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-virtual-hwe-18.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-awsUpgrade linux-image-virtualUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-1083-aws-fipsUpgrade linux-image-raspi2Upgrade linux-image-aws-lts-18.04Upgrade linux-image-aws-fipsUpgrade linux-image-5.4.0-1091-ibmUpgrade linux-image-5.15.0-1024-nvidia-tegra-igx-rtUpgrade linux-image-5.4.0-1132-kvmUpgrade linux-image-5.15.0-1077-raspiUpgrade linux-image-5.15.0-1078-intel-iotgUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-5.15.0-1083-realtimeUpgrade linux-image-5.15.0-139-generic-64kUpgrade linux-image-5.4.0-1105-bluefieldUpgrade linux-image-5.4.0-215-lowlatencyUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-5.15.0-1080-oracleUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.4.0-1148-gcp-fipsUpgrade linux-image-5.15.0-1077-nvidiaUpgrade linux-image-5.15.0-1036-nvidia-tegraUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-4.15.0-1142-oracleUpgrade linux-image-4.15.0-1163-kvmUpgrade linux-image-generic-lpaeUpgrade linux-image-4.15.0-1180-awsUpgrade linux-image-azure-cvm | May 7, 2025 | Mar 14, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Mar 14, 2025 |
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