cvedb.io
CVE-2026-63943
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-07-19T16:17:12.880 · Last modified 2026-07-19T16:17:12.880

Summary

In the Linux kernel, the following vulnerability has been resolved: Input: xpad - fix out-of-bounds access for Share button xpadone_process_packet() receives len directly from urb->actual_length and uses it to index the share-button byte at data[len - 18] or data[len - 26]. Since both len and data[0] are under the device's control, a broken controller can send a GIP_CMD_INPUT packet with actual_length < 18 (e.g. 5 bytes) and reach this code path, causing accesses beyond the actual array. Fix this by calculating the offset and checking bounds against the packet length.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.