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.
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This CVE exploits attack patterns that Casky's 0matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.
CVE-2026-53386 is an out-of-bounds array access vulnerability in the Linux kernel's TI ADS1298 analog-to-digital converter (ADC) driver. The vulnerability occurs in the `ads1298_pga_settings` array handling, where a 3-bit mask (ADS1298_MASK_CH_PGA) can produce index values from 0-7, but the array only contains 7 valid elements (indices 0-6). If the mask yields a value of 7 or higher, it causes an out-of-bounds read that could lead to information disclosure or kernel instability. This affects systems using TI ADS1298 ADC hardware, particularly embedded Linux devices, industrial control systems, and IoT platforms that rely on this sensor interface for analog signal processing.
While Casky currently shows zero matching skills for this specific CVE, practitioners using Casky's Claude AI-powered platform with its 754 MITRE ATT&CK-mapped skills would typically detect related vulnerability patterns through techniques associated with **T1190 (Exploit Public-Facing Application)** and **T1203 (Exploitation for Client Execution)** when analyzing kernel-level vulnerabilities. The absence of mapped skills here reflects this vulnerability's highly specialized nature as a driver-specific bounds-checking issue rather than an exploitable attack vector in active threat campaigns. Security practitioners should monitor kernel patch advisories and driver updates from their hardware manufacturers, as the fix requires adding explicit index validation before array access—a straightforward mitigation that addresses the root cause of improper input validation.
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