CVE-2026-64364
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. https://security-tracker.debian.org/tracker/DSA-6405-1
CSIRTS triage
- What
- An out-of-bounds bit access on mt_io_flags has been fixed in the multitouch HID driver.
- Who is affected
- Deployments using the multitouch HID driver are affected.
- Urgency
- Remediation is necessary to prevent potential exploitation, although exploitation status is currently unknown.
- Action
- Apply the fix for CVE-2026-64364.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownDSA-6405-1 linux - security updatedebian · 2026-07-31
- highCVE-2026-64364: In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix out-o…nvd · 2026-07-25
- mediumCVE-2026-64364: HID: multitouch: fix out-of-bounds bit access on mt_io_flagsmsrc · 2026-07-14
External references
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