CVE-2025-39719 - iio: imu: bno055: fix OOB access of hw_xlate array

CVE-2025-39719 - iio: imu: bno055: fix OOB access of hw_xlate array

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/05/2025 - 20:38
CVE ID : CVE-2025-39719
Published : Sept. 5, 2025, 5:21 p.m. | 52 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: iio: imu: bno055: fix OOB access of hw_xlate array Fix a potential out-of-bounds array access of the hw_xlate array in bno055.c. In bno055_get_regmask(), hw_xlate was iterated over the length of the vals array instead of the length of the hw_xlate array. In the case of bno055_gyr_scale, the vals array is larger than the hw_xlate array, so this could result in an out-of-bounds access. In practice, this shouldn't happen though because a match should always be found which breaks out of the for loop before it iterates beyond the end of the hw_xlate array. By adding a new hw_xlate_len field to the bno055_sysfs_attr, we can be sure we are iterating over the correct length.
Severity: 0.0 | NA
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