CVE-2026-23185
Use-After-Free in Linux iwlwifi mld Component on Disconnection
Publication date: 2026-02-14
Last updated on: 2026-04-03
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 | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 6.17 (inc) to 6.18.10 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Linux kernel's iwlwifi driver related to the mld (Multi-Link Device) functionality. Specifically, the function mlo_scan_start_wk is not properly canceled upon disconnection or in other scenarios except during restart cleanup. Because of this, there can be issues such as an init-after-queue problem if the work is queued and then the interface changes, and a use-after-free condition if the work executes after the virtual interface (vif) has been freed.
How can this vulnerability impact me? :
The vulnerability can lead to use-after-free errors and race conditions in the Linux kernel's wireless driver. This can cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or cause denial of service by exploiting the improper handling of the work queue related to wireless interface changes.
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?
I don't know