CVE-2026-23133 PUBLISHED

wifi: ath10k: 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: ath10k: 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 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 to e2dda298ef809aa201ea7c0904c4d064f6c497cb (excl.)
  • affected from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 to fc8da65f9fe1bc6802f8240b342cfff4f5c7e841 (excl.)
  • affected from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 to b0ad924332a96550a84b8c0ae5483e7042d65fa9 (excl.)
  • affected from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 to 1928851334ecfd6e0d663121ab69ac639d4217a6 (excl.)
  • affected from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 to 5d6fa4d2c9799c09389588da5118a72d97d87e92 (excl.)
  • affected from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 to 07f363f305793baecad41816f73056252f3df61e (excl.)
  • affected from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 to 9282a1e171ad8d2205067e8ec3bbe4e3cef4f29f (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.16 is affected
  • unaffected from 0 to 4.16 (excl.)
  • unaffected from 5.10.249 to 5.10.* (incl.)
  • unaffected from 5.15.199 to 5.15.* (incl.)
  • unaffected from 6.1.162 to 6.1.* (incl.)
  • 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