Vulnerability in Linux

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund5 Oct 2026WID-SEC-2026-3743

  Linux Kernel: Multiple vulnerabilities Translated from German

  Risk mediumCVE-2026-98221CVE-2026-98181CVE-2026-98248+204 more CVEs

[ References ]References

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