In the Linux kernel, the following vulnerability has been resolved:
net: openvswitch: Fix the dead loop of MPLS parse
The unexpected MPLS packet may not end with the bottom label stack. When there are many stacks, The label count value has wrapped around. A dead loop occurs, soft lockup/CPU stuck finally.
stack backtrace: UBSAN: array-index-out-of-bounds in /build/linux-0Pa0xK/linux-5.15.0/net/openvswitch/flow.c:662:26 index -1 is out of range for type '__be32 [3]' CPU: 34 PID: 0 Comm: swapper/34 Kdump: loaded Tainted: G OE 5.15.0-121-generic #131-Ubuntu Hardware name: Dell Inc. PowerEdge C6420/0JP9TF, BIOS 2.12.2 07/14/2021 Call Trace: <IRQ> show_stack+0x52/0x5c dump_stack_lvl+0x4a/0x63 dump_stack+0x10/0x16 ubsan_epilogue+0x9/0x36 __ubsan_handle_out_of_bounds.cold+0x44/0x49 key_extract_l3l4+0x82a/0x840 [openvswitch] ? kfree_skbmem+0x52/0xa0 key_extract+0x9c/0x2b0 [openvswitch] ovs_flow_key_extract+0x124/0x350 [openvswitch] ovs_vport_receive+0x61/0xd0 [openvswitch] ? kernel_init_free_pages.part.0+0x4a/0x70 ? get_page_from_freelist+0x353/0x540 netdev_port_receive+0xc4/0x180 [openvswitch] ? netdev_port_receive+0x180/0x180 [openvswitch] netdev_frame_hook+0x1f/0x40 [openvswitch] __netif_receive_skb_core.constprop.0+0x23a/0xf00 __netif_receive_skb_list_core+0xfa/0x240 netif_receive_skb_list_internal+0x18e/0x2a0 napi_complete_done+0x7a/0x1c0 bnxt_poll+0x155/0x1c0 [bnxt_en] __napi_poll+0x30/0x180 net_rx_action+0x126/0x280 ? bnxt_msix+0x67/0x80 [bnxt_en] handle_softirqs+0xda/0x2d0 irq_exit_rcu+0x96/0xc0 common_interrupt+0x8e/0xa0 </IRQ>
CVSS Details
- CVSS 3.1 Base Score: 9.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-develUpgrade kernelUpgrade kernel-toolsUpgrade kernel-livepatch-5.10.239-236.958Upgrade kernel-tools-debuginfoUpgrade python-perfUpgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-headersUpgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-livepatch-5.15.186-128.192 | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-libbpfUpgrade kernel-livepatch-6.12.35-55.103Upgrade kernel6.12-modules-extraUpgrade python3-perf6.12Upgrade perf6.12-debuginfoUpgrade kernel-livepatch-6.1.144-170.251Upgrade kernel-develUpgrade kernel-modules-extra-commonUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade python3-perfUpgrade perfUpgrade kernel-libbpf-develUpgrade bpftoolUpgrade python3-perf-debuginfoUpgrade perf6.12Upgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade kernel-modules-extraUpgrade kernel-headersUpgrade kernel6.12-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel6.12Upgrade kernel-libbpf-static | Aug 5, 2025 | Jul 3, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 4, 2025 | Jul 4, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel | Dec 12, 2025 | Nov 11, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools | Nov 12, 2025 | Nov 11, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-tools | Nov 21, 2025 | Nov 11, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | Sep 10, 2025 | Jul 3, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 3, 2025 |
| Suse | — | Upgrade kselftests-kmp-defaultUpgrade dtb-socionextUpgrade kernel-rt-develUpgrade dtb-amdUpgrade dtb-broadcomUpgrade dtb-mediatekUpgrade reiserfs-kmp-azureUpgrade dtb-sprdUpgrade dtb-nvidiaUpgrade kernel-rt-vdsoUpgrade dtb-rockchipUpgrade kernel-default-base-rebuildUpgrade cluster-md-kmp-64kbUpgrade ocfs2-kmp-64kbUpgrade kernel-obs-buildUpgrade kernel-default-vdsoUpgrade kselftests-kmp-azureUpgrade dtb-alteraUpgrade kernel-64kb-extraUpgrade gfs2-kmp-defaultUpgrade kernel-azure-vdsoUpgrade kernel-azure-optionalUpgrade cluster-md-kmp-azureUpgrade dtb-armUpgrade kernel-rt_debugUpgrade kselftests-kmp-64kbUpgrade kernel-rt_debug-develUpgrade kernel-devel-azureUpgrade kernel-debug-vdsoUpgrade kernel-rt-extraUpgrade kernel-rt-livepatch-develUpgrade kernel-kvmsmallUpgrade dtb-exynosUpgrade kernel-sourceUpgrade kernel-rt-optionalUpgrade kernel-source-rtUpgrade dlm-kmp-rtUpgrade kernel-syms-rtUpgrade kernel-azure-develUpgrade kernel-rtUpgrade kernel-kvmsmall-vdsoUpgrade kernel-source-vanillaUpgrade kernel-docsUpgrade reiserfs-kmp-64kbUpgrade dtb-amlogicUpgrade cluster-md-kmp-defaultUpgrade kernel-syms-azureUpgrade kernel-docs-htmlUpgrade kernel-azureUpgrade kernel-macrosUpgrade kernel-defaultUpgrade dtb-qcomUpgrade kernel-rt_debug-vdsoUpgrade dtb-marvellUpgrade dtb-renesasUpgrade dtb-xilinxUpgrade kernel-rt-livepatchUpgrade ocfs2-kmp-rtUpgrade dtb-allwinnerUpgrade kernel-debug-develUpgrade kernel-develUpgrade kernel-kvmsmall-develUpgrade ocfs2-kmp-defaultUpgrade kernel-zfcpdumpUpgrade kernel-obs-qaUpgrade dtb-appleUpgrade dlm-kmp-64kbUpgrade kernel-default-baseUpgrade kernel-debugUpgrade kernel-source-azureUpgrade kernel-default-optionalUpgrade kernel-symsUpgrade reiserfs-kmp-rtUpgrade dtb-freescaleUpgrade kselftests-kmp-rtUpgrade kernel-default-develUpgrade kernel-64kb-develUpgrade gfs2-kmp-rtUpgrade gfs2-kmp-azureUpgrade kernel-azure-extraUpgrade dtb-apm | Dec 5, 2025 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linux-image-azure-5.15Upgrade linux-image-azureUpgrade linux-image-generic-5.15Upgrade linux-image-oracle-6.14Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-64kUpgrade linux-image-azure-fipsUpgrade linux-image-lowlatency-5.15Upgrade linux-image-realtime-6.8.1Upgrade linux-image-azure-fips-5.15Upgrade linux-image-azure-6.14Upgrade linux-image-6.14.0-32-generic-64kUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-aws-fipsUpgrade linux-image-5.15.0-1090-oracleUpgrade linux-image-lowlatency-6.8Upgrade linux-image-raspi-5.15Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-generic-64k-5.15Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-genericUpgrade linux-image-ibm-5.15Upgrade linux-image-raspiUpgrade linux-image-gkeopUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-gke-64k-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-5.15.0-1045-nvidia-tegra-rtUpgrade linux-image-6.14.0-1013-awsUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-generic-64k-6.8Upgrade linux-image-5.15.0-1089-gkeUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-5.15.0-156-generic-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-1096-azure-fipsUpgrade linux-image-gkeop-5.15Upgrade linux-image-kvm-5.15Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-nvidia-5.15Upgrade linux-image-generic-6.14Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-6.8.0-100-genericUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-realtime-5.15Upgrade linux-image-gcp-64kUpgrade linux-image-kvmUpgrade linux-image-oem-24.04cUpgrade linux-image-gke-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-realtime-6.14Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-gcp-6.14Upgrade linux-image-5.15.0-1096-azureUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-5.15.0-1045-nvidia-tegraUpgrade linux-image-virtual-6.14Upgrade linux-image-oem-22.04cUpgrade linux-image-azure-lts-22.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-gke-64kUpgrade linux-image-aws-fips-5.15Upgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-virtual-5.15Upgrade linux-image-virtual-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-oem-22.04dUpgrade linux-image-raspi-6.14Upgrade linux-image-oracle-5.15Upgrade linux-image-6.14.0-1012-azureUpgrade linux-image-aws-fips-6.8Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-5.15.0-156-fipsUpgrade linux-image-intelUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-gcp-fipsUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-5.15.0-156-lowlatency-64kUpgrade linux-image-6.14.0-1012-oemUpgrade linux-image-aws-64k-6.14Upgrade linux-image-xilinx-6.8Upgrade linux-image-5.15.0-1092-gcp-fipsUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-5.15.0-1092-realtimeUpgrade linux-image-aws-6.14Upgrade linux-image-5.15.0-1087-nvidia-lowlatencyUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-5.15.0-1088-kvmUpgrade linux-image-gcp-6.8Upgrade linux-image-fips-5.15Upgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-oracle-64kUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-5.15.0-156-generic-lpaeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-5.15.0-1075-gkeopUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-6.14Upgrade linux-image-generic-64k-6.14Upgrade linux-image-fips-6.8Upgrade linux-image-fipsUpgrade linux-image-aws-5.15Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-5.15.0-1092-gcpUpgrade linux-image-5.15.0-1087-nvidiaUpgrade linux-image-5.15.0-1086-ibmUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-realtimeUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-oem-22.04bUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-lowlatencyUpgrade linux-image-gcpUpgrade linux-image-6.14.0-32-genericUpgrade linux-image-5.15.0-1086-raspiUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-5.15.0-1092-aws-fipsUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-raspi-realtimeUpgrade linux-image-aws-64k-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-156-lowlatencyUpgrade linux-image-generic-6.8Upgrade linux-image-oem-24.04Upgrade linux-image-virtualUpgrade linux-image-5.15.0-1034-nvidia-tegra-igxUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.15.0-1034-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-gkeUpgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-intel-iotgUpgrade linux-image-ibm-classicUpgrade linux-image-ibm-6.8Upgrade linux-image-gke-5.15Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-ibmUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-azure-lts-24.04Upgrade linux-image-awsUpgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-5.15.0-1087-intel-iotgUpgrade linux-image-aws-64k-5.15Upgrade linux-image-5.15.0-1085-intel-iot-realtimeUpgrade linux-image-oem-22.04aUpgrade linux-image-lowlatency-64kUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-aws-64kUpgrade linux-image-gcp-5.15Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-5.15.0-1056-xilinx-zynqmpUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-5.15.0-1092-aws-64kUpgrade linux-image-5.15.0-156-genericUpgrade linux-image-5.15.0-1092-awsUpgrade linux-image-xilinx | Jul 7, 2025 | Jul 3, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 16, 2025 | Jul 3, 2025 |
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