CVE-2026-23135 PUBLISHED

wifi: ath12k: fix dma_free_coherent() pointer

Assigner: Linux
Reserved: 13.01.2026 Published: 14.02.2026 Updated: 14.02.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from d889913205cf7ebda905b1e62c5867ed4e39f6c2 to 36e0bc5e8b282564906fca636c4ebc99814de4e7 (excl.)
  • affected from d889913205cf7ebda905b1e62c5867ed4e39f6c2 to 24585a13c41ea7253ee59aac74441fb570f5824a (excl.)
  • affected from d889913205cf7ebda905b1e62c5867ed4e39f6c2 to 4846b32be324f4dd3653f38a3f69c049543d52ae (excl.)
  • affected from d889913205cf7ebda905b1e62c5867ed4e39f6c2 to bb97131fbf9b708dd9616ac2bdc793ad102b5c48 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.3 is affected
  • unaffected from 0 to 6.3 (excl.)
  • unaffected from 6.6.122 to 6.6.* (incl.)
  • unaffected from 6.12.68 to 6.12.* (incl.)
  • unaffected from 6.18.8 to 6.18.* (incl.)
  • unaffected from 6.19 to * (incl.)

References