CVE-2023-53482
BaseFortify
Publication date: 2025-10-01
Last updated on: 2025-10-02
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is in the Linux kernel's iommu component. Specifically, there is an error in the error handling code of the function iommu_group_alloc(). If the function iommu_group_grate_file() fails, the iommu_group resource is leaked because it is not properly destroyed on these error paths. This means that memory or resources allocated for iommu_group are not freed when an error occurs, potentially leading to resource leaks.
How can this vulnerability impact me? :
The impact of this vulnerability is that it can cause resource leaks in the Linux kernel's iommu subsystem. Resource leaks can degrade system performance over time, potentially leading to system instability or crashes if resources are exhausted. However, there is no indication of direct exploitation such as privilege escalation or data corruption from this vulnerability.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update the Linux kernel to a version where the iommu_group_alloc() error unwind issue has been fixed. This ensures that iommu_group leaks on error paths are properly handled.