Medium [CVE-2026-63908] atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem
This medium-severity Red Hat Linux advisory covers CVE-2026-63908.
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Summary
In the Linux kernel, the following vulnerability has been resolved: Input: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem When a configuration file provides an object size that is larger than the driver's known mxt_obj_size(object), the driver intends to discard the extra bytes.
The loop iterates using for (i = 0; i start_ofs and writes the byte there, overwriting exactly one byte of the adjacent instance or object. An incorrect boundary check when handling configuration files with oversized objects can lead to a single-byte overwrite in adjacent memory.
This memory corruption vulnerability could allow a local attacker to potentially cause system instability (denial of service) or gain elevated privileges. Red Hat severity: Moderate.
Weakness: CWE-787. Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · medium-confidence parse· fetched 7 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 7 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That does not mean no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 7 days ago·verify at source
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