In the Linux kernel, the following vulnerability has been resolved:
scsi: scsi_transport_sas: Fix error handling in sas_phy_add()
If transport_add_device() fails in sas_phy_add(), the kernel will crash trying to delete the device in transport_remove_device() called from sas_remove_host().
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000108 CPU: 61 PID: 42829 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc1+ #173 pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : device_del+0x54/0x3d0 lr : device_del+0x37c/0x3d0 Call trace: device_del+0x54/0x3d0 attribute_container_class_device_del+0x28/0x38 transport_remove_classdev+0x6c/0x80 attribute_container_device_trigger+0x108/0x110 transport_remove_device+0x28/0x38 sas_phy_delete+0x30/0x60 [scsi_transport_sas] do_sas_phy_delete+0x6c/0x80 [scsi_transport_sas] device_for_each_child+0x68/0xb0 sas_remove_children+0x40/0x50 [scsi_transport_sas] sas_remove_host+0x20/0x38 [scsi_transport_sas] hisi_sas_remove+0x40/0x68 [hisi_sas_main] hisi_sas_v2_remove+0x20/0x30 [hisi_sas_v2_hw] platform_remove+0x2c/0x60
Fix this by checking and handling return value of transport_add_device() in sas_phy_add().
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perfUpgrade kernel-livepatch-5.10.157-139.675Upgrade kernel-headersUpgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade python-perf-debuginfoUpgrade kernel-tools-devel | Jun 23, 2025 | May 1, 2025 |
| Debian | — | Upgrade linux | May 5, 2025 | May 1, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade bpftoolUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Aug 13, 2025 | Aug 9, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 1, 2025 |
| Ubuntu | — | Upgrade linux-raspiUpgrade linux-bluefieldUpgrade linux-riscv-5.15Upgrade linux-realtimeUpgrade linux-azure-fdeUpgrade linux-aws-5.15Upgrade linux-awsUpgrade linux-azureUpgrade linux-gkeUpgrade linux-gcp-5.15Upgrade linux-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-intel-iotgUpgrade linux-gcpUpgrade linux-azure-5.15Upgrade linux-lowlatencyUpgrade linux-oracle-5.15Upgrade linux-oracleUpgrade linux-intel-iot-realtimeUpgrade linux-nvidiaUpgrade linuxUpgrade linux-gkeopUpgrade linux-kvmUpgrade linux-ibm | May 8, 2025 | May 1, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | May 1, 2025 |
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