CVE-2026-64276
Açıklama (NVD)
In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count rmi_f30_map_gpios() allocates gpioled_key_map with min(gpioled_count, TRACKSTICK_RANGE_END) == at most 6 entries, but rmi_f30_attention() iterates the full f30->gpioled_count (device query register, range 0..31) and dereferences gpioled_key_map[i], and input->keycodemax is set to the full gpioled_count while input->keycode points at the 6-entry allocation. A device that reports gpioled_count > 6 with GPIO support enabled therefore causes an out-of-bounds read on the attention interrupt and out-of-bounds read/write through the EVIOCGKEYCODE/EVIOCSKEYCODE ioctls, which bound the index only against keycodemax. This is the same defect as the F3A handler, which was copied from F30. Size the keymap for the full gpioled_count; the mapping loop still assigns only the first min(gpioled_count, TRACKSTICK_RANGE_END) entries.
Yayın: 25.07.2026 · Son değişiklik: 24.10.2026 · Zayıflık: CWE-787
CVSS 3.1 metrikleri
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Saldırı vektörü | Yerel |
| Karmaşıklık | Düşük |
| Gereken yetki | Düşük |
| Kullanıcı etkileşimi | Gerekmez |
| Kapsam | Değişmez |
| Gizlilik | Yüksek |
| Bütünlük | Yüksek |
| Erişilebilirlik | Yüksek |
Hesaplanan temel puan: 7.8. CVSS hesaplayıcıda incele
Referanslar
- https://git.kernel.org/stable/c/26c895928d7118436a24f564587cb4aefc40cdd8
- https://git.kernel.org/stable/c/4e3689c26854356f41fbaa1eafa382e58ac79e00
- https://git.kernel.org/stable/c/8c6d18d61bb6fe0e6edf848413391c590552e8a9
- https://git.kernel.org/stable/c/bfe622efecd4ff0a792d0ecd1a8dce535a902f50
- https://git.kernel.org/stable/c/d162a1ead7de404d8b41a093c83ed0db6487cded
- https://git.kernel.org/stable/c/d577e46785d45484b2ab7e7309c49b18764bf56c
- https://git.kernel.org/stable/c/e849c6f51e6877104c765da084e001ec37c8e119
- https://git.kernel.org/stable/c/f0be9eba946e9200b43265e0a748d38bd0a56954