CVE-2025-71146
BaseFortify
Publication date: 2026-01-23
Last updated on: 2026-02-26
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 | 6.19 |
| linux | linux_kernel | From 6.17.13 (inc) to 6.18 (exc) |
| linux | linux_kernel | 6.12.63 |
| linux | linux_kernel | 6.18.2 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-401 | The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's netfilter component (nf_conncount) involves a leaked connection tracking (ct) object in certain error paths. Specifically, some error paths skip the reference counting check and return immediately, causing the ct object to be leaked. The fix ensures that the reference counting check is always called to prevent this leak.
How can this vulnerability impact me? :
The vulnerability can lead to resource leaks in the Linux kernel's connection tracking system, potentially causing increased memory usage or instability in network-related operations. This could degrade system performance or reliability, especially in environments relying heavily on netfilter for network traffic management.