In the Linux kernel, the following vulnerability has been resolved:
hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails
Smatch report warning as follows:
drivers/hwmon/ibmpex.c:509 ibmpex_register_bmc() warn: '&data->list' not removed from list
If ibmpex_find_sensors() fails in ibmpex_register_bmc(), data will be freed, but data->list will not be removed from driver_data.bmc_data, then list traversal may cause UAF.
Fix by removeing it from driver_data.bmc_data before free().
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Oct 23, 2024 | Oct 23, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | May 15, 2025 | Oct 21, 2024 |
| Ubuntu | — | Upgrade linux-riscv-5.15Upgrade linux-azure-fipsUpgrade linux-awsUpgrade linux-ibm-5.4Upgrade linux-intel-iotgUpgrade linux-nvidia-tegra-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-gkeopUpgrade linux-fipsUpgrade linuxUpgrade linux-gcpUpgrade linux-oracle-5.4Upgrade linux-gcp-5.4Upgrade linux-oracle-5.15Upgrade linux-gkeUpgrade linux-raspiUpgrade linux-gcp-fipsUpgrade linux-nvidiaUpgrade linux-azure-4.15Upgrade linux-azure-fdeUpgrade linux-aws-fipsUpgrade linux-iotUpgrade linux-hwe-5.4Upgrade linux-azure-5.15Upgrade linux-oracleUpgrade linux-bluefieldUpgrade linux-realtimeUpgrade linux-hweUpgrade linux-intel-iotg-5.15Upgrade linux-ibmUpgrade linux-gkeop-5.15Upgrade linux-kvmUpgrade linux-lowlatencyUpgrade linux-azureUpgrade linux-azure-5.4Upgrade linux-hwe-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-gcp-5.15Upgrade linux-gcp-4.15Upgrade linux-aws-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-aws-5.4Upgrade linux-raspi-5.4Upgrade linux-aws-hwe | Nov 19, 2024 | Oct 21, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Oct 21, 2024 |
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