CVE-2026-23135
BaseFortify
Publication date: 2026-02-14
Last updated on: 2026-03-17
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 | From 6.7 (inc) to 6.12.68 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.18.8 (exc) |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 6.3 (inc) to 6.6.122 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability relates to the Linux kernel's wifi driver for ath12k devices. The issue involves the improper use of pointers when freeing DMA (Direct Memory Access) coherent memory buffers. Specifically, dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in unaligned fields, but the code was incorrectly using the aligned addresses when freeing the buffer with dma_free_coherent(). The fix ensures that the unaligned addresses are reused correctly when freeing the buffer.
How can this vulnerability impact me? :
Improper handling of DMA memory pointers can lead to memory corruption or instability in the wifi driver, potentially causing system crashes or unpredictable behavior in devices using the affected Linux kernel version with ath12k wifi hardware.
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