CVE-2025-71118
Vulnerability Scoring
Analysis In Progress
CVE-2025-71118 Vulnerability Analysis & Exploit Details
CVE-2025-71118
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2025-71118 Details
Status: Awaiting Analysis
Last updated: 🕐 19 Jan 2026, 13:16 UTC
Originally published on: 🕒 14 Jan 2026, 15:16 UTC
Time between publication and last update: 4 days
CVSS Release:
CVE-2025-71118 Vulnerability Summary
CVE-2025-71118: In the Linux kernel, the following vulnerability has been resolved: ACPICA: Avoid walking the Namespace if start_node is NULL Although commit 0c9992315e73 ("ACPICA: Avoid walking the ACPI Namespace if it is not there") fixed the situation when both start_node and acpi_gbl_root_node are NULL, the Linux kernel mainline now still crashed on Honor Magicbook 14 Pro [1]. That happens due to the access to the member of parent_node in acpi_ns_get_next_node(). The NULL pointer dereference will always happen, no matter whether or not the start_node is equal to ACPI_ROOT_OBJECT, so move the check of start_node being NULL out of the if block. Unfortunately, all the attempts to contact Honor have failed, they refused to provide any technical support for Linux. The bad DSDT table's dump could be found on GitHub [2]. DMI: HONOR FMB-P/FMB-P-PCB, BIOS 1.13 05/08/2025 [ rjw: Subject adjustment, changelog edits ]
Assessing the Risk of CVE-2025-71118
Access Complexity Graph
The exploitability of CVE-2025-71118 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2025-71118
No exploitability data is available for CVE-2025-71118.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2025-71118, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2025-71118, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2025-71118 does not compromise confidentiality.
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Integrity:
None
CVE-2025-71118 does not impact data integrity.
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Availability:
None
CVE-2025-71118 does not affect system availability.
CVE-2025-71118 References
External References
- https://git.kernel.org/stable/c/0d8bb08126920fd4b12dbf32d9250757c9064b36
- https://git.kernel.org/stable/c/1bc34293dfbd266c29875206849b4f8e8177e6df
- https://git.kernel.org/stable/c/7f9b951ed11842373851dd3c91860778356d62d3
- https://git.kernel.org/stable/c/9d6c58dae8f6590c746ac5d0012ffe14a77539f0
- https://git.kernel.org/stable/c/b84edef48cc8afb41150949a87dcfa81bc95b53e
- https://git.kernel.org/stable/c/ecb296286c8787895625bd4c53e9478db4ae139c
- https://git.kernel.org/stable/c/f91dad0a3b381244183ffbea4cec5a7a69d6f41e
CWE Common Weakness Enumeration
Unknown
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