CVE-2025-38568
BaseFortify
Publication date: 2025-08-19
Last updated on: 2025-11-26
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) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stack out-of-bounds write in the Linux kernel's mqprio module related to traffic control (tc) entry parsing. Specifically, the TCA_MQPRIO_TC_ENTRY_INDEX value is validated incorrectly, allowing a value equal to TC_QOPT_MAX_QUEUE (16), which causes a 4-byte write beyond the allocated fp[] array that only has space for 16 elements indexed 0 to 15. This can lead to memory corruption.
How can this vulnerability impact me? :
The out-of-bounds write can cause memory corruption in the kernel, potentially leading to system instability, crashes, or exploitation by attackers to execute arbitrary code with kernel privileges.