CVE-2026-23236

EUVD-2026-9408
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
3.2 ≤
𝑥
< 5.10.251
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.201
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.164
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.127
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.74
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.13
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
6.1.164-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.251-1
fixed
forky
6.19.11-1
fixed
sid
6.19.12-1
fixed
trixie
vulnerable
trixie (security)
6.12.74-2
fixed
linux-6.1
bullseye (security)
6.1.164-1~deb11u1
fixed