CVE-2026-46232 - HID: playstation: Clamp num_touch_reports

CVE-2026-46232 - HID: playstation: Clamp num_touch_reports

https://cvefeed.io/rssfeed/latest.atom / Thu, 05/28/2026 - 17:25
CVE ID :CVE-2026-46232
Published : May 28, 2026, 10:16 a.m. | 4 hours, 44 minutes ago
Description :In the Linux kernel, the following vulnerability has been resolved: HID: playstation: Clamp num_touch_reports A device would never lie about the number of touch reports would it? If it does the loop in dualshock4_parse_report will read off the end of the touch_reports array, up to about 2 KiB for the maximum number of 256 loop iteraions. The data that is read is emitted via evdev if the DS4_TOUCH_POINT_INACTIVE bit happens to be set. Protect against this by clamping the num_touch_reports value provided by the device to the maximum size of the touch_reports array.
Severity: 0.0 | NA
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