CVE-2026-43476
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
In the Linux kernel, a vulnerability was found in the SPS30 I2C air quality sensor driver. The sps30_i2c_read_meas() function used an incorrect buffer size (sizeof(size_t) instead of sizeof(__be32)), which could lead to out-of-bounds memory read.
Risk Assessment
The vulnerability may cause incorrect measurement readings or potentially allow a local attacker with I2C interface access to obtain kernel memory information.
Recommendation
Update the Linux kernel to a version containing the fix that changes sizeof(num) to sizeof(*meas) in the sps30_i2c_read_meas() function.
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Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() sizeof(num) evaluates to sizeof(size_t) (8 bytes on 64-bit) instead of the intended __be32 element size (4 bytes). Use sizeof(*meas) to correctly match the buffer element type.