CVE-2025-39678
BaseFortify
Publication date: 2025-09-05
Last updated on: 2025-11-25
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 | 6.17 |
| linux | linux_kernel | 6.17 |
| 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-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel involves the platform/x86/amd/hsmp component where the code did not ensure that the sock->metric_tbl_addr pointer was non-NULL before accessing it. If the metric table address was not allocated, accessing metrics_bin would cause a NULL pointer dereference, potentially leading to a kernel crash or instability. The fix adds a check to ensure the pointer is valid before use.
How can this vulnerability impact me? :
If exploited or triggered, this vulnerability can cause a NULL pointer dereference in the Linux kernel, which may lead to a system crash or denial of service due to kernel instability.