CVE-2023-53572
BaseFortify
Publication date: 2025-10-04
Last updated on: 2026-03-21
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 5.16 (inc) to 6.1.39 (inc) |
| linux | kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel involves improper handling of a list iteration in the clk: imx: scu component. The code was freeing a 'clk' object inside a loop but did not use a safe list iterator, leading to a use-after-free condition where the code dereferences a freed variable to get the next item in the loop. The fix involved using a safe list iterator (list_for_each_entry_safe) to avoid this issue.
How can this vulnerability impact me? :
The use-after-free vulnerability can lead to undefined behavior such as system crashes, data corruption, or potential exploitation by attackers to execute arbitrary code or escalate privileges within the Linux kernel environment.