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VULNERABILITIES

CVE-2026-80574 Details

Description

In the Linux kernel, the following vulnerability has been resolved: Input: focaltech - fix array out-of-bounds in focaltech_process_rel_packet Make finger2 (and also finger1) unsigned, so that if the finger index in the packet is 0 then subtracting 1 creates an array index which overflows above the existing check for FOC_MAX_FINGERS, as the existing comment says it should, instead of writing to state->fingers[-1].

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:8.4 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/063b4c6a6f3fc01bca085c442000c9c100fdbd93 kernel.org
https://git.kernel.org/stable/c/1842e47126816e56d30c4f856f9854fd7831066c kernel.org
https://git.kernel.org/stable/c/296736076b3fd078742651c719555a488624023a kernel.org
https://git.kernel.org/stable/c/6f6d5fe29efdf5001bc146fc292e6592cace93eb kernel.org
https://git.kernel.org/stable/c/81b07470cb2937ceb74b00be88151582a322433b kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-80574
NVD Published Date:
Aug 26, 2026
NVD Last Modified:
Aug 27, 2026
Source:
kernel.org
CVE-2026-80574 Details - Not Deferred