CVE-2024-26702: iio: magnetometer: rm3100: add boundary check for the value read from RM3100_REG_TMRC

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-03 · updated 2026-06-17
Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: iio: magnetometer: rm3100: add boundary check for the value read from RM3100_REG_TMRC Recently, we encounter kernel crash in function rm3100_common_probe caused by out of bound access of array rm3100_samp_rates (because of underlying hardware failures). Add boundary check to prevent out of bound access.

Affected products

Debian Linux: 10.0
Linux kernel: from 5.0 before 5.4.269; from 5.5 before 5.10.210; from 5.11 before 5.15.149; from 5.16 before 6.1.79; from 6.2 before 6.6.18; from 6.7 before 6.7.6 — fixed in 5.10.210, 5.15.149, 5.4.269, 6.1.79, 6.6.18, 6.7.6

How to fix

Upgrade to a fixed version: Linux kernel 5.10.210, 5.15.149, 5.4.269, 6.1.79. Check the vendor advisory for mitigations.

References

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