CVE-2025-23136
thermal: int340x: Add NULL check for adev
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Description
In the Linux kernel, the following vulnerability has been resolved: thermal: int340x: Add NULL check for adev Not all devices have an ACPI companion fwnode, so adev might be NULL. This is similar to the commit cd2fd6eab480 ("platform/x86: int3472: Check for adev == NULL"). Add a check for adev not being set and return -ENODEV in that case to avoid a possible NULL pointer deref in int3402_thermal_probe(). Note, under the same directory, int3400_thermal_probe() has such a check. [ rjw: Subject edit, added Fixes: ]
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/0c49f12c77b77a706fd41370c11910635e491845
- https://git.kernel.org/stable/c/2542a3f70e563a9e70e7ded314286535a3321bdb
- https://git.kernel.org/stable/c/3155d5261b518776d1b807d9d922669991bbee56
- https://git.kernel.org/stable/c/6a810c462f099353e908c70619638884cb82229c
- https://git.kernel.org/stable/c/8e8f1ddf4186731649df8bc9646017369eb19186
References (13)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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