Vulnerability in Linux

CVE-2026-23236

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: properly copy ioctl memory to kernelspace The UFX_IOCTL_REPORT_DAMAGE ioctl does not properly copy data from userspace to kernelspace, and instead directly references the memory, which can cause problems if invalid data is passed from userspace. Fix this all up by correctly copying the memory before accessing it within the kernel.

EPSS: 0.002 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2026-23236?
CVE-2026-23236 is a high-severity vulnerability in Linux. CVSS score: 7.3/10. Published 2026-03-04.
How severe is CVE-2026-23236?
High severity. CVSS v3 base score is 7.3 out of 10.