CVE-2025-38135NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 86.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 3
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: serial: Fix potential null-ptr-deref in mlb_usio_probe() devm_ioremap() can return NULL on error. Currently, mlb_usio_probe() does not check for this case, which could result in a NULL pointer dereference. Add NULL check after devm_ioremap() to prevent this issue.

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_kernel5.25.4.295+6
Debianlinux/linux_kernel< 5.10.244-1+3
Ubuntulinux/linux_kernel< 5.15.0-156.166+1
CVEListV5linux/linuxba44dc04300441b47618f9933bf36e75a280e5fea05ebe384c7ca75476453f3070c67d9cf1d1a89f+8

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

35
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

33
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-2025-38135 — NULL Pointer Dereference in Linux | cvebase