CVE-2021-47325 (GCVE-0-2021-47325)
Vulnerability from cvelistv5
Published
2024-05-21 14:35
Modified
2025-12-18 11:36
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation The reference counting issue happens in several exception handling paths of arm_smmu_iova_to_phys_hard(). When those error scenarios occur, the function forgets to decrease the refcount of "smmu" increased by arm_smmu_rpm_get(), causing a refcount leak. Fix this issue by jumping to "out" label when those error scenarios occur.
References
Impacted products
Vendor Product Version
Linux Linux Version: d4a44f0750bb9bf7c44c22444a482756b2344a79
Version: d4a44f0750bb9bf7c44c22444a482756b2344a79
Version: d4a44f0750bb9bf7c44c22444a482756b2344a79
Version: d4a44f0750bb9bf7c44c22444a482756b2344a79
Version: d4a44f0750bb9bf7c44c22444a482756b2344a79
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