CVE-2026-98206: Linux kernel · Input: cyttsp5 – clamp the HID report size before memcpy
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 28 Oct 2026, 01:27 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 6 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
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.
References
- ubuntu.com/security/CVE-2026-98206 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-98206 (opens in a new tab)
- git.kernel.org/linus/85f080fb87ed5cd3e46121be677f52c82f26a0ab (opens in a new tab)
- git.kernel.org/stable/c/495955feb57750de4a641da13d7e51fb4d0a9764 (opens in a new tab)
- git.kernel.org/stable/c/85f080fb87ed5cd3e46121be677f52c82f26a0ab (opens in a new tab)
- git.kernel.org/stable/c/9eb261092d4c967679fa351b7190c6d9082b07c5 (opens in a new tab)
- git.kernel.org/stable/c/b172c69e67bc71f71f6e3d8b3258b3dec29e42c6 (opens in a new tab)
- git.kernel.org/stable/c/d41a80d852f2948c6d388c520e76c0a72897f003 (opens in a new tab)