CVE-2023-53191
BaseFortify
Publication date: 2025-09-15
Last updated on: 2025-12-02
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 | From 4.6 (inc) to 4.14.308 (exc) |
| linux | linux_kernel | From 4.15 (inc) to 4.19.276 (exc) |
| linux | linux_kernel | From 4.20 (inc) to 5.4.235 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.173 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.99 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.16 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.2.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-Other |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a reference count leak in the Linux kernel's irqchip/alpine-msi component. Specifically, the function of_irq_find_parent() returns a node pointer with its reference count incremented, but the code did not properly decrement the reference count using of_node_put() when the node was no longer needed. This missing call causes a reference count leak.
How can this vulnerability impact me? :
The reference count leak can lead to resource leaks in the kernel, potentially causing increased memory usage or instability over time as resources are not properly released.