CVE-2025-71222
Buffer Overflow in Linux wlcore Driver Causes Kernel Panic
Publication date: 2026-02-14
Last updated on: 2026-03-19
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 | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 5.16 (inc) to 6.1.163 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.70 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.124 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.18.10 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.200 (exc) |
| linux | linux_kernel | From 2.6.32 (inc) to 5.10.250 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
The impact of this vulnerability is that it can cause the Linux kernel to panic or crash unexpectedly due to the skb_under_panic Oops. This can lead to system instability, potential denial of service, or interruption of wireless network functionality on affected devices.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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Can you explain this vulnerability to me?
This vulnerability exists in the Linux kernel's wifi component, specifically in the wlcore driver. It occurs because the skb (socket buffer) headroom is sometimes insufficient before performing an skb_push operation. This can lead to an skb_under_panic Oops error triggered by the wl1271_tx_work function. Essentially, the headroom available is less than required, causing instability or crashes.