Updated:
Description:
In the Linux kernel, the following vulnerability has been resolved: iommu: Return right value in iommu_sva_bind_device() iommu_sva_bind_device() should return either a sva bond handle or an ERR_PTR value in error cases. Existing drivers (idxd and uacce) only check the return value with IS_ERR(). This could potentially lead to a kernel NULL pointer dereference issue if the function returns NULL instead of an error pointer. In reality, this doesn't cause any problems because iommu_sva_bind_device() only returns NULL when the kernel is not configured with CONFIG_IOMMU_SVA. In this case, iommu_dev_enable_feature(dev, IOMMU_DEV_FEAT_SVA) will return an error, and the device drivers won't call iommu_sva_bind_device() at all.
CVSS3: 5.5
| OS | Vendor version | Errata |
|---|---|---|
| Ubuntu 20.04 | 5.4.0-195.215 | USN-7003-1 |
| Oracle Linux 7 UEK 6 | 5.4.17-2136.335.4.el7uek | ELSA-2024-12610 |
| Oracle Linux 8 UEK 6 | 5.4.17-2136.335.4.el8uek | ELSA-2024-12610 |
| Ubuntu 20.04 AWS | 5.4.0-1132.142 | USN-7003-1 |
| Ubuntu 20.04 Azure | 5.4.0-1137.144 | USN-7003-1 |
| Debian 11 | 5.10.221-1 | DSA-5730-1 |
| Ubuntu 22.04 | 5.15.0-121.131 | USN-7007-1 |
| Ubuntu 22.04 AWS | 5.15.0-1069.75 | USN-7007-1 |
| Ubuntu 22.04 Azure | 5.15.0-1072.81 | USN-7009-1 |
| RHEL 9 | 5.14.0-503.11.1.el9_5 | RHSA-2024:9315 |
| Debian 11 cloud | 5.10.221-1 | DSA-5730-1 |
| Ubuntu 20.04 HWE AWS | 5.15.0-1069.75~20.04.1 | USN-7007-1 |
| Ubuntu 20.04 HWE Azure | 5.15.0-1072.81~20.04.1 | USN-7009-1 |
| Ubuntu 20.04 GCP | 5.4.0-1136.145 | USN-7003-1 |
| Oracle Linux 9 UEK 7 | 5.15.0-210.163.7.el9uek | ELSA-2024-12618 |
| Oracle Linux 8 UEK 7 | 5.15.0-210.163.7.el8uek | ELSA-2024-12618 |
| Ubuntu 24.04 | 6.8.0-44.44 | USN-6999-1 |
| OS | Original kernel version | State |
|---|---|---|
| Ubuntu 18.04 HWE Focal | |
Planned |
| Ubuntu 20.04 | |
Planned |
| Oracle Linux 7 UEK 6 |
5.4.17-2011.2.2.el7uek
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|
Released |
| Oracle Linux 8 UEK 6 |
5.4.17-2011.2.2.el8uek
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|
Released |
| Ubuntu 18.04 AWS Focal | |
Planned |
| Ubuntu 18.04 Azure Focal | |
Planned |
| Ubuntu 20.04 AWS | |
Planned |
| Ubuntu 20.04 Azure | |
Planned |
| Debian 11 | |
In Progress |
| Ubuntu 22.04 | |
In Progress |
| Ubuntu 22.04 AWS | |
In Progress |
| Ubuntu 22.04 Azure | |
Planned |
| RHEL 9 | |
Planned |
| Debian 11 cloud | |
In Progress |
| Ubuntu 20.04 HWE AWS | |
In Progress |
| Ubuntu 20.04 HWE Azure | |
Planned |
| Ubuntu 20.04 GCP | |
Planned |
| Oracle Linux 9 UEK 7 | |
Planned |
| Oracle Linux 8 UEK 7 | |
Planned |
| Ubuntu 24.04 | |
Planned |