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 perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade perfUpgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-libbpf-develUpgrade kernelUpgrade kernel-modules-extra-commonUpgrade kernel-modules-extraUpgrade kernel-toolsUpgrade kernel-livepatch-6.1.130-139.222Upgrade kernel-libbpf-staticUpgrade kernel-headersUpgrade python3-perf-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 python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernelUpgrade bpftoolUpgrade kernel-tools-libs | Oct 14, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perfUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-tools | Nov 12, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel | Oct 24, 2025 | Oct 10, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 14, 2025 |
| Ubuntu | — | Upgrade linux-image-aws-lts-22.04Upgrade linux-image-5.4.0-1145-aws-fipsUpgrade linux-image-5.15.0-1076-intel-iot-realtimeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-azure-lts-18.04Upgrade linux-image-4.15.0-237-lowlatencyUpgrade linux-image-5.15.0-1082-gcpUpgrade linux-image-ibmUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-gkeopUpgrade linux-image-4.15.0-2118-aws-fipsUpgrade linux-image-generic-64kUpgrade linux-image-5.15.0-1077-nvidia-lowlatencyUpgrade linux-image-5.15.0-1080-gkeUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-nvidia-tegraUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-5.15.0-1083-gcpUpgrade linux-image-oem-20.04bUpgrade linux-image-4.15.0-1188-azureUpgrade linux-image-4.15.0-1135-fipsUpgrade linux-image-4.15.0-2097-azure-fipsUpgrade linux-image-azure-lts-22.04Upgrade linux-image-oracle-lts-18.04Upgrade linux-image-oemUpgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-1088-azure-fdeUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1079-kvmUpgrade linux-image-4.15.0-2081-gcp-fipsUpgrade linux-image-azure-fdeUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.4.0-215-generic-lpaeUpgrade linux-image-5.4.0-215-genericUpgrade linux-image-intelUpgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.4.0-1145-awsUpgrade linux-image-azureUpgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.4.0-1143-oracleUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-gcpUpgrade linux-image-5.15.0-139-fipsUpgrade linux-image-genericUpgrade linux-image-4.15.0-237-genericUpgrade linux-image-5.15.0-1088-azureUpgrade linux-image-4.15.0-1173-gcpUpgrade linux-image-nvidiaUpgrade linux-image-aws-hweUpgrade linux-image-5.4.0-1119-fipsUpgrade linux-image-5.4.0-1148-gcpUpgrade linux-image-oem-20.04cUpgrade linux-image-raspiUpgrade linux-image-5.15.0-1036-nvidia-tegra-rtUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-139-genericUpgrade linux-image-lowlatencyUpgrade linux-image-aws-lts-20.04Upgrade linux-image-5.15.0-139-lowlatency-64kUpgrade linux-image-oem-osp1Upgrade linux-image-intel-iotgUpgrade linux-image-oem-20.04dUpgrade linux-image-5.4.0-1051-iotUpgrade linux-image-oem-20.04Upgrade linux-image-4.15.0-1142-oracleUpgrade linux-image-5.15.0-1077-raspiUpgrade linux-image-aws-lts-18.04Upgrade linux-image-5.15.0-1083-aws-fipsUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-5.15.0-139-generic-64kUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.4.0-215-lowlatencyUpgrade linux-image-5.4.0-1132-kvmUpgrade linux-image-generic-lpaeUpgrade linux-image-aws-fipsUpgrade linux-image-azure-lts-20.04Upgrade linux-image-5.4.0-1150-azureUpgrade linux-image-5.15.0-139-generic-lpaeUpgrade linux-image-5.4.0-1092-ibmUpgrade linux-image-5.15.0-1050-xilinx-zynqmpUpgrade linux-image-5.15.0-1078-intel-iotgUpgrade linux-image-5.15.0-1075-ibmUpgrade linux-image-kvmUpgrade linux-image-5.15.0-1088-azure-fipsUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-bluefieldUpgrade linux-image-azure-fipsUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-azure-cvmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-raspi2Upgrade linux-image-5.15.0-1077-nvidiaUpgrade linux-image-4.15.0-1163-kvmUpgrade linux-image-5.15.0-1080-oracleUpgrade linux-image-5.4.0-1148-gcp-fipsUpgrade linux-image-awsUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.15.0-139-lowlatencyUpgrade linux-image-5.15.0-1036-nvidia-tegraUpgrade linux-image-5.15.0-1065-gkeopUpgrade linux-image-gkeUpgrade linux-image-fipsUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-oracleUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-5.4.0-1064-xilinx-zynqmpUpgrade linux-image-gkeop-5.15Upgrade linux-image-5.4.0-1091-ibmUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-virtualUpgrade linux-image-realtimeUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.4.0-1105-bluefieldUpgrade linux-image-5.15.0-1082-gcp-fipsUpgrade linux-image-5.15.0-1083-awsUpgrade linux-image-5.15.0-1083-realtimeUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-5.15.0-1024-nvidia-tegra-igx-rtUpgrade linux-image-4.15.0-1180-awsUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.4.0-1151-azure-fipsUpgrade linux-image-5.15.0-1024-nvidia-tegra-igxUpgrade linux-image-xilinx-zynqmp | 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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