CVE - CVE-2021-47325

CVE-ID
CVE-2021-47325	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/0f0c5ea09139777d90729d408b807021f2ea6492 URL:https://git.kernel.org/stable/c/0f0c5ea09139777d90729d408b807021f2ea6492 MISC:https://git.kernel.org/stable/c/43d1aaa1965f9b58035196dac49b1e1e6c9c25eb URL:https://git.kernel.org/stable/c/43d1aaa1965f9b58035196dac49b1e1e6c9c25eb MISC:https://git.kernel.org/stable/c/5f9741a9a91f25c89e04b408cd61e3ab050ce24b URL:https://git.kernel.org/stable/c/5f9741a9a91f25c89e04b408cd61e3ab050ce24b MISC:https://git.kernel.org/stable/c/7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554 URL:https://git.kernel.org/stable/c/7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554 MISC:https://git.kernel.org/stable/c/b11220803ad14a2a880cc06d8e01fe2548cc85b0 URL:https://git.kernel.org/stable/c/b11220803ad14a2a880cc06d8e01fe2548cc85b0
Assigning CNA
kernel.org
Date Record Created
20240521	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240521)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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