CVE-2022-50245
BaseFortify
Publication date: 2025-09-15
Last updated on: 2025-11-24
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 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 is a use-after-free (UAF) issue in the Linux kernel's rapidio driver. Specifically, if the function kfifo_alloc() fails during the execution of mport_cdev_open(), the code frees a private structure (priv) but does not remove it from the chdev->file_list. As a result, subsequent traversal of this list may access the freed memory, causing a use-after-free condition.
How can this vulnerability impact me? :
The use-after-free vulnerability can lead to undefined behavior such as system crashes, data corruption, or potential escalation of privileges if exploited. It may allow an attacker to execute arbitrary code or cause denial of service by triggering the faulty list traversal after the priv structure has been freed.