CVE-2025-38144

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

MEDIUM
5.5
CVSS Score
Published: July 3, 2025 at 08:35 AM UTC
Updated: June 17, 2026 at 09:16 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.15 ≤ v < 6.15.36.15 ≤ v < 6.166.15c284153a2c5537db4fec51ac850c17d2eb1ffcfe
Vendor states this is fixed in 57f7a1da0ec06d8579accaf77762d0128d13e4af (fixed)
Vendor states this is fixed in a4e2401438a26131ecff9be6a3a1d4cbfea66f9a (fixed)
Vendor states this is fixed in 6.15 (unaffected)
Vendor states this is fixed in 6.15.3 (unaffected)
Vendor states this is fixed in 6.16 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/57f7a1da0ec06d8579accaf77762d0128d13e4af
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a4e2401438a26131ecff9be6a3a1d4cbfea66f9a

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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