CVE-2021-47325

May 21, 2024, 4:54 p.m.

None
No Score

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.

Product(s) Impacted

Product Versions
Linux kernel

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://git.kernel.org/stable/c/0f0c5ea09139777d90729d408b807021f2ea6492
https://git.kernel.org/stable/c/43d1aaa1965f9b58035196dac49b1e1e6c9c25eb
https://git.kernel.org/stable/c/5f9741a9a91f25c89e04b408cd61e3ab050ce24b
https://git.kernel.org/stable/c/7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554
https://git.kernel.org/stable/c/b11220803ad14a2a880cc06d8e01fe2548cc85b0

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
2024-05-21
CVE-2021-47325

Timeline

Published: May 21, 2024, 3:15 p.m.
Last Modified: May 21, 2024, 4:54 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.