CVE-2025-38184
BaseFortify
Publication date: 2025-07-04
Last updated on: 2025-12-18
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 4.9 (inc) to 5.4.295 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.239 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.186 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.142 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.95 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.35 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.15.4 (exc) |
| linux | linux_kernel | 6.16 |
| linux | linux_kernel | 6.16 |
| debian | debian_linux | 11.0 |
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 is a null pointer dereference in the Linux kernel's TIPC (Transparent Inter-Process Communication) component when acquiring the remote IP of an ethernet bearer. It occurs under specific conditions involving creating a tun interface, enabling an l2 bearer, and using TIPC_NL_UDP_GET_REMOTEIP with the media name set to tun. The issue arises because the bearer_list entry may be NULL or point to other media when accessed concurrently by different threads, leading to a general protection fault and kernel crash. The fix involves checking the media_id to prevent dereferencing a NULL pointer.
How can this vulnerability impact me? :
This vulnerability can cause a kernel crash (general protection fault) due to a null pointer dereference, potentially leading to denial of service on affected systems running the vulnerable Linux kernel. This can disrupt normal operations and affect system stability.