CVE-2025-38214NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV5.6OSV3.2
EPSS
0.0%
top 91.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 4
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix fb_set_var to prevent null-ptr-deref in fb_videomode_to_var If fb_add_videomode() in fb_set_var() fails to allocate memory for fb_videomode, later it may lead to a null-ptr dereference in fb_videomode_to_var(), as the fb_info is registered while not having the mode in modelist that is expected to be there, i.e. the one that is described in fb_info->var. general protection fault, probably for non-canonical address 0

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

NVDlinux/linux_kernel2.6.135.4.295+7
Debianlinux/linux_kernel< 5.10.244-1+3
Ubuntulinux/linux_kernel< 6.8.0-100.100
CVEListV5linux/linux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2ee20216f12d9482cd70e44dae5e7fabb38367c71+8

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

20
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

18
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-38214 — NULL Pointer Dereference in Linux | cvebase