iio: adc: ti-ads1298: add bounds check to pga_settings index
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ti-ads1298: add bounds check to pga_settings index ads1298_pga_settings has 7 elements but ADS1298_MASK_CH_PGA can yield values 0-7. If it yields a value >= 7, this causes an out-of-bounds array access. Add a bounds check and return -EINVAL if the index is out of range. Note that the remaining value b111 is reserved so should not be seen in a correctly functioning system.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ti-ads1298: add bounds check to pga_settings index ads1298_pga_settings has 7 elements but ADS1298_MASK_CH_PGA can yield values 0-7. If it yields a value >= 7, this causes an out-of-bounds array access. Add a bounds check and return -EINVAL if the index is out of range. Note that the remaining value b111 is reserved so should not be seen in a correctly functioning system.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/95e8a48d7a85d4226934020e57815a3316d3a14b
- https://git.kernel.org/stable/c/abd776ded3e256889610595290f6ca46cb6e91ab
- https://git.kernel.org/stable/c/abe0854e356b1bb814393ca884cb42b3eb12ce10
- https://git.kernel.org/stable/c/d08d82d83ed45fd8c001a9df66ad7ebb86c9d6c6
- https://git.kernel.org/stable/c/d5793975fc3b1780ba576812158ef22e3104e60e
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53386.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-53386