CVE-2025-38144

watchdog: lenovo_se30_wdt: Fix possible devm_ioremap() NULL pointer dereference in lenovo_se30_wdt_probe()

published July 3, 2025

CVSS
—
EPSS
0%
Percentile
4.7
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

watchdog: lenovo_se30_wdt: Fix possible devm_ioremap() NULL pointer dereference in lenovo_se30_wdt_probe()

devm_ioremap() returns NULL on error. Currently, lenovo_se30_wdt_probe()

does not check for this case, which results in a NULL pointer

dereference.

Add NULL check after devm_ioremap() to prevent this issue.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00159 · 4.7th percentile
Published
2025-07-03T08:35Z
EPSS history
Timeline
  • 03 JUL 08:35Z
    watchdog: lenovo_se30_wdt: Fix possible devm_ioremap() NULL pointer dereference in lenovo_se30_wdt_probe()
    cvelistv5