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CVE-2025-39935 PUBLISHED CVSS 7.800000190734863 HIGH

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.

EPSS 0.02% · 5.7th percentile

Risk Scores

CVSS v3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.02%
5.7th percentile

Affected Products

VendorProductVersions
LinuxLinux576c57e6b4c1d734bcb7cc33dde9a99a9383b520, 576c57e6b4c1d734bcb7cc33dde9a99a9383b520, 0
linuxlinux_kernel6.17, 6.13, 6.13

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References

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