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Linux Kernel: Wi-Fi Driver Bug Caused Data Corruption
CVE-2026-23135
Summary
A bug in the Linux kernel's Wi-Fi driver could have caused data corruption or crashes. This issue has been fixed in the latest update. It's recommended to update your Linux system to the latest kernel version to ensure you have the fix.
Original title
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix dma_free_coherent() pointer
dma_alloc_coherent() allocates a DMA mapped buffer and stores the
addresses in XX...
Original description
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix dma_free_coherent() pointer
dma_alloc_coherent() allocates a DMA mapped buffer and stores the
addresses in XXX_unaligned fields. Those should be reused when freeing
the buffer rather than the aligned addresses.
wifi: ath12k: fix dma_free_coherent() pointer
dma_alloc_coherent() allocates a DMA mapped buffer and stores the
addresses in XXX_unaligned fields. Those should be reused when freeing
the buffer rather than the aligned addresses.
Published: 14 Feb 2026 · Updated: 10 Mar 2026 · First seen: 6 Mar 2026