What’s Vulnerable › Vulnerabilities

CVE-2026-98206: Input: cyttsp5 - clamp the HID report size before memcpy

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-06 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: Input: cyttsp5 - clamp the HID report size before memcpy The size field comes from the device and is used as the memcpy() length into response_buf, which is CY_MAX_INPUT bytes.

Affected products

• Linux kernel: 6.2 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/495955feb57750de4a641da13d7e51fb4d0a9764
• https://git.kernel.org/stable/c/85f080fb87ed5cd3e46121be677f52c82f26a0ab
• https://git.kernel.org/stable/c/9eb261092d4c967679fa351b7190c6d9082b07c5
• https://git.kernel.org/stable/c/b172c69e67bc71f71f6e3d8b3258b3dec29e42c6
• https://git.kernel.org/stable/c/d41a80d852f2948c6d388c520e76c0a72897f003

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