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CVE-2025-39935

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CVE-2025-39935

Published: Oct 4, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: codec: sma1307: Fix memory corruption in sma1307_setting_loaded() The sma1307->set.header_size is how many integers are in the header (there are 8 of them) but instead of allocating space of 8 integers we allocate 8 bytes. This leads to memory corruption when we copy data it on the next line: memcpy(sma1307->set.header, data, sma1307->set.header_size * sizeof(int)); Also since we're immediately copying over the memory in ->set.header, there is no need to zero it in the allocator. Use devm_kmalloc_array() to allocate the memory instead.

VendorProductVersions

Linux

Linux

affected
576c57e6b4c1d734bcb7cc33dde9a99a9383b520 - < cd59ca8f75dbb42a67fcae975c766114644e36c4
affected
576c57e6b4c1d734bcb7cc33dde9a99a9383b520 - < 78338108b5a856dc98223a335f147846a8a18c51

Linux

Linux

affected
6.13
unaffected
0 - < 6.13
unaffected
6.16.9 - <= 6.16.*
unaffected
6.17 - <= *

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