Products
Linux kernel
Source
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Tags
CVE-2021-47325 details
Published : May 21, 2024, 3:15 p.m.
Last Modified : May 21, 2024, 4:54 p.m.
Last Modified : May 21, 2024, 4:54 p.m.
Description
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.
CVSS Score
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Weakness
Weakness | Name | Description |
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References
URL | Source |
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https://git.kernel.org/stable/c/0f0c5ea09139777d90729d408b807021f2ea6492 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/43d1aaa1965f9b58035196dac49b1e1e6c9c25eb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/5f9741a9a91f25c89e04b408cd61e3ab050ce24b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/b11220803ad14a2a880cc06d8e01fe2548cc85b0 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
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