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