CVE-2021-47325

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.

The following products are affected by CVE-2021-47325 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47325.

URL	Resource
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
https://lore.kernel.org/linux-cve-announce/2024052133-CVE-2021-47325-f4e8@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47325
https://www.cve.org/CVERecord?id=CVE-2021-47325