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