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In the Linux kernel, the following vulnerability has been resolved:
iommu/msm: Unwind probe state on registration failure
msm_iommu_probe() adds its devm-managed IOMMU object to qcom_iommu_devices before adding the IOMMU sysfs device and registering it with the IOMMU core.
If iommu_device_sysfs_add() fails, probe returns with the object still on qcom_iommu_devices. The driver core then releases the devm allocation, leaving a dangling list entry that later list walks may dereference.
If iommu_device_register() fails, the same dangling list entry remains and the sysfs device is left registered as well.
Unwind the sysfs device and global list entry in reverse setup order on the corresponding failure paths.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Oct 20, 2026 | Sep 11, 2026 |
| Ubuntu | — | Upgrade linuxUpgrade linux-riscv-7.0Upgrade linux-gcpUpgrade linux-oracleUpgrade linux-ibmUpgrade linux-oem-7.0Upgrade linux-riscvUpgrade linux-awsUpgrade linux-hwe-7.0 | Nov 3, 2026 | Sep 11, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2026 | Sep 11, 2026 |
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