CVE-2026-63931

Description

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: fix division by zero in write_raw Add a zero check for val2 before using it as a divisor when setting the sampling frequency. A user writing a zero fractional part to the sampling_frequency sysfs attribute triggers a division by zero in the kernel.

References

• https://git.kernel.org/stable/c/2c50c017df97bfb425038efdfb8514c7bcd08564
• https://git.kernel.org/stable/c/4748bce423a363bb8a85a624faeb8f54fe331611
• https://git.kernel.org/stable/c/5aba4f94b225617a55fed442a70329b2ee19c0a5
• https://git.kernel.org/stable/c/5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53
• https://git.kernel.org/stable/c/6308b812acdcac38cbfe1af0b1524c3375f408a5
• https://git.kernel.org/stable/c/c7a740bf75554b051fabb17596ca6e483d6e6d90
• https://git.kernel.org/stable/c/d98c2e69aab905d1b19a69ffe584efa46a9efd42
• https://git.kernel.org/stable/c/e85bc501947f5ae16dd9adc01162b76d55ab7962