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 perfUpgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.10.239-236.958Upgrade kernel-headersUpgrade kernel-livepatch-5.15.186-128.192Upgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64 | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel6.12-modules-extraUpgrade kernel-debuginfoUpgrade kernel-libbpfUpgrade kernel-livepatch-6.1.144-170.251Upgrade perf6.12-debuginfoUpgrade python3-perf6.12Upgrade perfUpgrade kernel-livepatch-6.12.35-55.103Upgrade kernel6.12-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade kernel-modules-extra-commonUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade python3-perf6.12-debuginfoUpgrade kernel-headersUpgrade kernel-libbpf-develUpgrade kernel-modules-extraUpgrade kernel6.12-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-staticUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade perf6.12Upgrade kernel6.12 | Aug 5, 2025 | Jul 3, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 4, 2025 | Jul 4, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade kernel-abi-stablelists | Dec 12, 2025 | Nov 11, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel | Nov 12, 2025 | Nov 11, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelists | 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 dtb-lgUpgrade dtb-armUpgrade dtb-hisiliconUpgrade dtb-renesasUpgrade dtb-marvellUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade kernel-devel-rtUpgrade kernel-default-livepatch-develUpgrade kernel-default-extraUpgrade kernel-64kb-optionalUpgrade kernel-64kbUpgrade dlm-kmp-defaultUpgrade dlm-kmp-azureUpgrade kernel-default-optionalUpgrade kernel-default-baseUpgrade kernel-debugUpgrade dlm-kmp-64kbUpgrade kernel-source-azureUpgrade dtb-caviumUpgrade ocfs2-kmp-defaultUpgrade reiserfs-kmp-rtUpgrade kselftests-kmp-rtUpgrade kernel-default-develUpgrade kernel-64kb-develUpgrade gfs2-kmp-rtUpgrade gfs2-kmp-azureUpgrade dtb-freescaleUpgrade dtb-amdUpgrade dtb-mediatekUpgrade dtb-broadcomUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-defaultUpgrade kernel-rt-develUpgrade dtb-socionextUpgrade dtb-appleUpgrade ocfs2-kmp-azureUpgrade kernel-zfcpdumpUpgrade kernel-obs-qaUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-64kbUpgrade dtb-amazonUpgrade kernel-default-livepatchUpgrade kernel-azure-extraUpgrade dtb-apmUpgrade kernel-symsUpgrade kernel-rt_debugUpgrade ocfs2-kmp-rtUpgrade kernel-develUpgrade kernel-debug-develUpgrade kernel-rt-livepatchUpgrade dtb-xilinxUpgrade dtb-allwinnerUpgrade kernel-default-vdsoUpgrade kselftests-kmp-azureUpgrade gfs2-kmp-defaultUpgrade kernel-64kb-extraUpgrade dtb-alteraUpgrade kernel-obs-buildUpgrade dlm-kmp-rtUpgrade kernel-azure-develUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt | Dec 5, 2025 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-fips-5.15Upgrade linux-image-xilinxUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-5.15.0-156-lowlatencyUpgrade linux-image-5.15.0-156-generic-lpaeUpgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-5.15.0-1085-intel-iot-realtimeUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-5.15.0-1075-gkeopUpgrade linux-image-5.15.0-1087-intel-iotgUpgrade linux-image-aws-64k-5.15Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-oem-22.04aUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-raspi-nolpaeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-5.15.0-1092-awsUpgrade linux-image-5.15.0-156-genericUpgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-5.15.0-1034-nvidia-tegra-igx-rtUpgrade linux-image-gkeop-6.8Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-5.15.0-1086-raspiUpgrade linux-image-6.14.0-32-genericUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-gcpUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-oem-24.04bUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-awsUpgrade linux-image-azure-lts-24.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-azure-6.8Upgrade linux-image-gcp-5.15Upgrade linux-image-fips-6.8Upgrade linux-image-oem-24.04aUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-virtualUpgrade linux-image-5.15.0-1092-gcpUpgrade linux-image-ibm-classicUpgrade linux-image-intel-iotgUpgrade linux-image-ibm-6.8Upgrade linux-image-oem-24.04Upgrade linux-image-azure-cvmUpgrade linux-image-gkeUpgrade linux-image-gke-5.15Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-generic-64k-6.14Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-aws-lts-22.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-realtimeUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.15.0-1086-ibmUpgrade linux-image-fipsUpgrade linux-image-5.15.0-1087-nvidiaUpgrade linux-image-5.15.0-1092-aws-64kUpgrade linux-image-aws-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1092-aws-fipsUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-ibmUpgrade linux-image-5.15.0-1056-xilinx-zynqmpUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oem-6.14Upgrade linux-image-5.15.0-1034-nvidia-tegra-igxUpgrade linux-image-aws-5.15Upgrade linux-image-nvidia-tegraUpgrade linux-image-kvm-5.15Upgrade linux-image-5.15.0-1045-nvidia-tegraUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-oem-24.04cUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-gkeopUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-lowlatency-5.15Upgrade linux-image-virtual-5.15Upgrade linux-image-5.15.0-156-generic-64kUpgrade linux-image-aws-fips-6.8Upgrade linux-image-gke-64kUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-5.15.0-1087-nvidia-lowlatencyUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-generic-6.14Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-azure-6.14Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-aws-fips-5.15Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-5.15.0-1096-azureUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-5.15.0-156-fipsUpgrade linux-image-nvidiaUpgrade linux-image-aws-64k-6.14Upgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-generic-64k-5.15Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-5.15.0-156-lowlatency-64kUpgrade linux-image-oracle-6.14Upgrade linux-image-kvmUpgrade linux-image-realtime-6.14Upgrade linux-image-aws-6.14Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-oem-22.04cUpgrade linux-image-intelUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oracle-5.15Upgrade linux-image-6.14.0-1012-azureUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-genericUpgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-ibm-5.15Upgrade linux-image-generic-64k-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-gkeop-5.15Upgrade linux-image-gke-64k-6.8Upgrade linux-image-6.14.0-1013-awsUpgrade linux-image-5.15.0-1089-gkeUpgrade linux-image-virtual-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-raspi-5.15Upgrade linux-image-5.15.0-1045-nvidia-tegra-rtUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-azureUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.14.0-1012-oemUpgrade linux-image-5.15.0-1090-oracleUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-gcp-6.14Upgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1096-azure-fipsUpgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-azure-5.15Upgrade linux-image-raspi-6.14Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.14.0-32-generic-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-virtual-6.14Upgrade linux-image-realtime-6.8.1Upgrade linux-image-realtime-5.15Upgrade linux-image-raspiUpgrade linux-image-oracle-6.8Upgrade linux-image-nvidia-5.15Upgrade linux-image-generic-5.15Upgrade linux-image-azure-lts-22.04Upgrade linux-image-aws-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-5.15.0-1092-realtimeUpgrade linux-image-5.15.0-1092-gcp-fipsUpgrade linux-image-5.15.0-1088-kvmUpgrade linux-image-raspi-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-6.8 | 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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