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