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Description

In the Linux kernel, the following vulnerability has been resolved: spi: amlogic: spifc-a4: Fix DMA mapping error handling Fix three bugs in aml_sfc_dma_buffer_setup() error paths: 1. Unnecessary goto: When the first DMA mapping (sfc->daddr) fails, nothing needs cleanup. Use direct return instead of goto. 2. Double-unmap bug: When info DMA mapping failed, the code would unmap sfc->daddr inline, then fall through to out_map_data which would unmap it again, causing a double-unmap. 3. Wrong unmap size: The out_map_info label used datalen instead of infolen when unmapping sfc->iaddr, which could lead to incorrect DMA sync behavior.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-08 | Updated 2026-05-08 | Assigner Linux

Product status

Default status
unaffected

4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9 (git) before 0a83d6c9e149a176340190fa9cbadf2266db4c9a
affected

4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9 (git) before c0b88f1176074f80140ed77fce909f254b7180ab
affected

4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9 (git) before b20b437666e1cb26a7c499d1664e8f2a0ac67000
affected

Default status
affected

6.18
affected

Any version before 6.18
unaffected

6.18.19 (semver)
unaffected

6.19.9 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/0a83d6c9e149a176340190fa9cbadf2266db4c9a

git.kernel.org/...c/c0b88f1176074f80140ed77fce909f254b7180ab

git.kernel.org/...c/b20b437666e1cb26a7c499d1664e8f2a0ac67000

cve.org (CVE-2026-43461)

nvd.nist.gov (CVE-2026-43461)

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