CVE-2022-50137
BaseFortify
Publication date: 2025-06-18
Last updated on: 2025-11-18
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) |
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 issue in the Linux kernel's RDMA/irdma component. Specifically, during the destruction of a Completion Queue (CQ), an interrupt may trigger processing of a Completion Queue Entry (CQE) after the CQ resources have already been freed, which can lead to undefined behavior or system instability. The fix involved reordering function calls to ensure resources are freed only after all CQE processing is complete and properly synchronized with locking.
How can this vulnerability impact me? :
This vulnerability can cause system instability or crashes due to use-after-free errors in the kernel, potentially leading to denial of service or other unpredictable behavior on systems using the affected RDMA/irdma functionality.