PT-2026-85709 · Linux · Linux
CVE-2026-80831
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Published
2026-09-04
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Updated
2026-09-04
None
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In the Linux kernel, the following vulnerability has been resolved:
crypto: mxs-dcp - fix source scatterlist length access
mxs dcp aes block crypt() uses sg dma len() without mapping the source
scatterlist with dma map sg() first. Therefore, sg dma len() is invalid
and could return zero or a stale DMA length, causing encryption and
decryption to process the wrong number of bytes when
CONFIG NEED SG DMA LENGTH=y.
Use the original scatterlist length instead.
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Related Identifiers
Affected Products
Linux