Description
In the Linux kernel, the following vulnerability has been resolved:
iommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group
Currently, mtk_iommu calls during probe iommu_device_register before the hw_list from driver data is initialized. Since iommu probing issue fix, it leads to NULL pointer dereference in mtk_iommu_device_group when hw_list is accessed with list_first_entry (not null safe).
So, change the call order to ensure iommu_device_register is called after the driver data are initialized.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 9e3a2a64365318a743e3c0b028952d2cdbaf2b0c, < 2f75cb27bef43c8692b0f5e471e5632f6a9beb99; >= 9e3a2a64365318a743e3c0b028952d2cdbaf2b0c, < 6abd09bed43b8d83d461e0fb5b9a200a06aa8a27; >= 9e3a2a64365318a743e3c0b028952d2cdbaf2b0c, < a0842539e8ef9386c070156103aff888e558a60c; >= 9e3a2a64365318a743e3c0b028952d2cdbaf2b0c, < ce7d3b2f6f393fa35f0ea12861b83a1ca28b295c; >= 9e3a2a64365318a743e3c0b028952d2cdbaf2b0c, < 69f9d2d37d1207c5a73dac52a4ce1361ead707f5; >= 9e3a2a64365318a743e3c0b028952d2cdbaf2b0c, < 38e8844005e6068f336a3ad45451a562a0040ca1 |
| Linux | Linux | 5.19 |
References
- https://git.kernel.org/stable/c/2f75cb27bef43c8692b0f5e471e5632f6a9beb99Patch
- https://git.kernel.org/stable/c/38e8844005e6068f336a3ad45451a562a0040ca1Patch
- https://git.kernel.org/stable/c/69f9d2d37d1207c5a73dac52a4ce1361ead707f5Patch
- https://git.kernel.org/stable/c/6abd09bed43b8d83d461e0fb5b9a200a06aa8a27Patch
- https://git.kernel.org/stable/c/a0842539e8ef9386c070156103aff888e558a60cPatch
- https://git.kernel.org/stable/c/ce7d3b2f6f393fa35f0ea12861b83a1ca28b295cPatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlMailing List
Timeline
- Published
- May 1, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed