Advisory [CVE-2026-63908] atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem
This security 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: not rated.
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; Red Hat Hardened Images 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 is not a statement that 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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