In the Linux kernel, the following vulnerability has been resolved:
scsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()
If the allocation of tl_hba->sh fails in tcm_loop_driver_probe() and we attempt to dereference it in tcm_loop_tpg_address_show() we will get a segfault, see below for an example. So, check tl_hba->sh before dereferencing it.
Unable to allocate struct scsi_host BUG: kernel NULL pointer dereference, address: 0000000000000194 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 PID: 8356 Comm: tokio-runtime-w Not tainted 6.6.104.2-4.azl3 #1 Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/28/2024 RIP: 0010:tcm_loop_tpg_address_show+0x2e/0x50 [tcm_loop] ... Call Trace: <TASK> configfs_read_iter+0x12d/0x1d0 [configfs] vfs_read+0x1b5/0x300 ksys_read+0x6f/0xf0 ...
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade python-perfUpgrade kernel-toolsUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-5.15.197-138.220Upgrade python-perf-debuginfoUpgrade kernel-headersUpgrade perfUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.10.247-246.989Upgrade kernel-tools-develUpgrade perf-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel6.12-develUpgrade kernelUpgrade kernel6.12-libbpfUpgrade kernel6.12-toolsUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade bpftool6.12-debuginfoUpgrade perf6.12-debuginfoUpgrade perfUpgrade perf-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade kernel-develUpgrade kernel6.12-debuginfoUpgrade kernel6.12-tools-develUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.12-libbpf-staticUpgrade bpftool6.12Upgrade kernel-tools-develUpgrade kernel-livepatch-6.1.159-181.297Upgrade python3-perf6.12Upgrade kernel-libbpfUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-tools-debuginfoUpgrade kernel-toolsUpgrade kernel6.12Upgrade kernel-headersUpgrade kernel-libbpf-staticUpgrade kernel6.12-modules-extraUpgrade kernel-livepatch-6.12.63-84.121Upgrade kernel-libbpf-debuginfoUpgrade perf6.12Upgrade kernel-modules-extraUpgrade kernel6.12-headersUpgrade kernel-modules-extra-commonUpgrade python3-perf-debuginfoUpgrade kernel6.12-libbpf-develUpgrade kernel6.12-libbpf-debuginfoUpgrade bpftool-debuginfoUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64 | Jan 12, 2026 | Dec 16, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Dec 18, 2025 | Dec 18, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perf | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernelUpgrade python3-perfUpgrade bpftool | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-tools | Mar 10, 2026 | Mar 10, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Feb 11, 2026 | Dec 16, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 16, 2025 |
| Ubuntu | — | Upgrade linux-image-oem-24.04aUpgrade linux-image-5.15.0-1044-nvidia-tegra-igx-rtUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-173-generic-lpaeUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1050-awsUpgrade linux-image-fipsUpgrade linux-image-gke-5.15Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-lowlatency-64kUpgrade linux-image-azure-6.17Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1103-aws-fipsUpgrade linux-image-6.17.0-19-genericUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1100-oracleUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-oracleUpgrade linux-image-azure-6.8Upgrade linux-image-6.17.0-1009-gcp-64kUpgrade linux-image-generic-64kUpgrade linux-image-ibmUpgrade linux-image-azure-lts-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1048-gke-64kUpgrade linux-image-5.15.0-1109-azure-fipsUpgrade linux-image-6.8.0-106-generic-64kUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-6.8.0-1048-gkeUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-24.04bUpgrade linux-image-virtualUpgrade linux-image-5.15.0-1095-kvmUpgrade linux-image-5.15.0-1098-intel-iotgUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-aws-lts-22.04Upgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1049-ibmUpgrade linux-image-5.15.0-1098-nvidiaUpgrade linux-image-azure-fipsUpgrade linux-image-raspi-realtimeUpgrade linux-image-5.15.0-173-lowlatencyUpgrade linux-image-gkeop-6.8Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-oem-20.04bUpgrade linux-image-fips-5.15Upgrade linux-image-5.15.0-1109-azureUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.17.0-1008-realtimeUpgrade linux-image-aws-64k-5.15Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-nvidia-tegraUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-aws-64kUpgrade linux-image-6.17.0-1010-raspiUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-kvm-5.15Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1047-oracleUpgrade linux-image-6.8.0-1050-raspiUpgrade linux-image-6.8.0-1052-gcp-fipsUpgrade linux-image-intelUpgrade linux-image-gkeopUpgrade linux-image-azure-fips-6.8Upgrade linux-image-5.15.0-1097-ibmUpgrade linux-image-generic-64k-6.8Upgrade linux-image-6.17.0-1009-gcpUpgrade linux-image-6.8.0-1052-gcp-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-6.17.0-1017-oemUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.8.1-1045-realtimeUpgrade linux-image-xilinxUpgrade linux-image-oem-24.04dUpgrade linux-image-generic-6.17Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oem-20.04dUpgrade linux-image-raspi-6.17Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-generic-lpaeUpgrade linux-image-generic-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-5.15.0-1044-nvidia-tegra-igxUpgrade linux-image-5.15.0-1097-raspiUpgrade linux-image-oracle-6.17Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-aws-64k-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-genericUpgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.8.0-106-genericUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-6.8.0-1047-oracle-64kUpgrade linux-image-5.15.0-173-generic-64kUpgrade linux-image-6.8.0-1035-gkeopUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1049-nvidia-lowlatencyUpgrade linux-image-intel-iotgUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-lowlatency-5.15Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.17.0-1009-oracle-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-xilinx-6.8Upgrade linux-image-oem-20.04cUpgrade linux-image-6.8.0-106-lowlatency-64kUpgrade linux-image-5.15.0-173-fipsUpgrade linux-image-5.15.0-1103-gcpUpgrade linux-image-5.15.0-1055-nvidia-tegra-rtUpgrade linux-image-5.15.0-1103-aws-64kUpgrade linux-image-oem-24.04cUpgrade linux-image-6.8.0-1052-azure-fipsUpgrade linux-image-5.15.0-173-genericUpgrade linux-image-5.15.0-1102-realtimeUpgrade linux-image-virtual-5.15Upgrade linux-image-6.8.0-106-lowlatencyUpgrade linux-image-6.8.0-106-fipsUpgrade linux-image-6.8.0-1052-gcpUpgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-6.17.0-1010-azureUpgrade linux-image-6.17.0-1009-aws-64kUpgrade linux-image-5.15.0-1110-azureUpgrade linux-image-5.15.0-1099-gkeUpgrade linux-image-5.15.0-1094-intel-iot-realtimeUpgrade linux-image-5.15.0-1067-xilinx-zynqmpUpgrade linux-image-raspi-5.15Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-ibm-5.15Upgrade linux-image-azureUpgrade linux-image-6.17.0-19-generic-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-aws-fips-5.15Upgrade linux-image-5.15.0-173-lowlatency-64kUpgrade linux-image-gke-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-gkeop-5.15Upgrade linux-image-aws-fips-6.8Upgrade linux-image-5.15.0-1103-awsUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-gcp-fipsUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-nvidia-5.15Upgrade linux-image-gcp-6.17Upgrade linux-image-gcp-5.15Upgrade linux-image-azure-cvmUpgrade linux-image-aws-6.8Upgrade linux-image-aws-6.17Upgrade linux-image-6.17.0-1009-oracleUpgrade linux-image-realtimeUpgrade linux-image-5.15.0-1086-gkeopUpgrade linux-image-realtime-6.17Upgrade linux-image-virtual-6.17Upgrade linux-image-gcp-64k-6.17Upgrade linux-image-virtual-6.8Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-aws-fipsUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-2040-raspi-realtimeUpgrade linux-image-5.15.0-1098-nvidia-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-gkeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-generic-5.15Upgrade linux-image-6.8.0-1049-nvidia-lowlatency-64kUpgrade linux-image-aws-64k-6.17Upgrade linux-image-6.8.0-1050-aws-fipsUpgrade linux-image-oracle-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1049-nvidia-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-kvmUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-azure-fips-5.15Upgrade linux-image-awsUpgrade linux-image-5.15.0-1055-nvidia-tegraUpgrade linux-image-raspiUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-64k-5.15Upgrade linux-image-6.17.0-1009-awsUpgrade linux-image-6.8.0-1050-aws-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-generic-64k-6.17Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-azure-5.15Upgrade linux-image-aws-lts-24.04Upgrade linux-image-aws-5.15Upgrade linux-image-realtime-6.8.1Upgrade linux-image-5.15.0-1103-gcp-fipsUpgrade linux-image-realtime-5.15Upgrade linux-image-oem-6.17Upgrade linux-image-oem-22.04dUpgrade linux-image-lowlatency-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-oracle-5.15Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1049-nvidia | Mar 17, 2026 | Dec 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 16, 2025 |
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