CVE-2026-80831None▾ SunlitIn 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. Ther…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < fd0f211b27a6ec2ebd8c315683401b43adcc5511Linux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < 04201dcc88b26eac52f736e39727fc5c420b7257Linux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < e72a795df521cb65b7c4705cc11078cdacfaa2f4Linux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < 1537bd55b4f842565068c54b47cd2ae1777d5f8fLinux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < da14fae5203b72ca71ccfa9af8de9249e40d533aLinux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < 182f16a20d329a1c818d51dad57d9bf43d356c7cLinux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < 0e9edb108a63bbbef952dfcbc597e34ed9c1fb74Linux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < 6ef9a4afb52cb102ab038cd42352c142d8505d09Linux >= 15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5 < c5bcb084a9871e5b62afb5f48b60adfa13b5d9f8Linux 3.14Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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