CVE-2026-80574 Input: focaltech - fix array out-of-bounds in focaltech_process_rel_packet

🗓️ 26 Aug 2026 14:37:34Reported by GoogleType

osv🔗 osv.dev👁 4 Views

Array OOB in Linux kernel focaltech driver when finger index 0 underflows after subtraction.

Source	Link
git	www.git.kernel.org/stable/c/063b4c6a6f3fc01bca085c442000c9c100fdbd93
git	www.git.kernel.org/stable/c/1842e47126816e56d30c4f856f9854fd7831066c
git	www.git.kernel.org/stable/c/296736076b3fd078742651c719555a488624023a
git	www.git.kernel.org/stable/c/6f6d5fe29efdf5001bc146fc292e6592cace93eb
git	www.git.kernel.org/stable/c/81b07470cb2937ceb74b00be88151582a322433b
git	www.git.kernel.org/stable/c/83c265bfc084d77e2171d4b67362150ab38c935b
git	www.git.kernel.org/stable/c/bb502d79acb9ac1e0a77fa8bc7b7b4729140b11f
git	www.git.kernel.org/stable/c/ca92c98b806839c108995b2bbff7061515bdfb53
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80574.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-80574

28 Aug 2026 03:47Current

5.7Medium risk

Vulners AI Score5.7

CVSS 3.18.4

Linux kernel focaltech driver array out-of-bounds integer underflow input subsystem