CVE-2026-89995
dma-direct: return struct page from dma_direct_alloc_from_pool()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: dma-direct: return struct page from dma_direct_alloc_from_pool() Commit 5b138c534fda ("dma-direct: factor out a dma_direct_alloc_from_pool helper") changed dma_direct_alloc_from_pool() to return the CPU address from dma_alloc_from_pool(). That fits dma_direct_alloc(), but dma_direct_alloc_pages() also uses the helper and expects a struct page *. Fix this by making dma_direct_alloc_from_pool() return the struct page * again, and pass the CPU address back through an out-parameter for the dma_direct_alloc() caller.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 16, 2026 |
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Affected Versions
Linux / Linux
5b138c534fda57c2ebc1e6de72578aa1d70788a6 < c3fdb94da43ff23287f85664174c45c45e881a3f 5b138c534fda57c2ebc1e6de72578aa1d70788a6 < 408ff2d5bf555bd3f4c84a2edb95c0690bf9edc8 5b138c534fda57c2ebc1e6de72578aa1d70788a6 < feeb2ef775081a6c188cdd10e7a45369a07ce531 5b138c534fda57c2ebc1e6de72578aa1d70788a6 < 94a04ad732c9f8b9554270fc4038a06737de5c22
Linux / Linux
5.10
References
git.kernel.org: https://git.kernel.org/stable/c/c3fdb94da43ff23287f85664174c45c45e881a3f git.kernel.org: https://git.kernel.org/stable/c/408ff2d5bf555bd3f4c84a2edb95c0690bf9edc8 git.kernel.org: https://git.kernel.org/stable/c/feeb2ef775081a6c188cdd10e7a45369a07ce531 git.kernel.org: https://git.kernel.org/stable/c/94a04ad732c9f8b9554270fc4038a06737de5c22