CVE-2026-80884 PUBLISHED

ntb: Store original DMA address for future release

Assigner: Linux
Reserved: 26.08.2026 Published: 04.09.2026 Updated: 04.09.2026

In the Linux kernel, the following vulnerability has been resolved:

ntb: Store original DMA address for future release

The DMA API requires that dma_free_attrs receive the exact dma_handle originally returned by the allocation function. Do not modify it.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from fc5d1829f9bf3d8275322727c0e9a8baf268b7c6 to 10662aafce4acd52278c942d0a5b3993594017b9 (excl.)
  • affected from fc5d1829f9bf3d8275322727c0e9a8baf268b7c6 to da6d997ac556479c112554ab5d95cbd04683eb11 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.20 is affected
  • unaffected from 0 to 4.20 (excl.)
  • unaffected from 7.1.5 to 7.1.* (incl.)
  • unaffected from 7.2 to * (incl.)

References