CVE-2025-23147
Vulnerability Scoring
Analysis In Progress
CVE-2025-23147 Vulnerability Analysis & Exploit Details
CVE-2025-23147
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-2025-23147 Details
Status: Awaiting Analysis
Last updated: 🕜 02 May 2025, 13:53 UTC
Originally published on: 🕐 01 May 2025, 13:15 UTC
Time between publication and last update: 1 days
CVSS Release:
CVE-2025-23147 Vulnerability Summary
CVE-2025-23147: In the Linux kernel, the following vulnerability has been resolved: i3c: Add NULL pointer check in i3c_master_queue_ibi() The I3C master driver may receive an IBI from a target device that has not been probed yet. In such cases, the master calls `i3c_master_queue_ibi()` to queue an IBI work task, leading to "Unable to handle kernel read from unreadable memory" and resulting in a kernel panic. Typical IBI handling flow: 1. The I3C master scans target devices and probes their respective drivers. 2. The target device driver calls `i3c_device_request_ibi()` to enable IBI and assigns `dev->ibi = ibi`. 3. The I3C master receives an IBI from the target device and calls `i3c_master_queue_ibi()` to queue the target device driver’s IBI handler task. However, since target device events are asynchronous to the I3C probe sequence, step 3 may occur before step 2, causing `dev->ibi` to be `NULL`, leading to a kernel panic. Add a NULL pointer check in `i3c_master_queue_ibi()` to prevent accessing an uninitialized `dev->ibi`, ensuring stability.
Assessing the Risk of CVE-2025-23147
Access Complexity Graph
The exploitability of CVE-2025-23147 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-2025-23147
No exploitability data is available for CVE-2025-23147.
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-2025-23147, 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-2025-23147, 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-2025-23147 does not compromise confidentiality.
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Integrity:
None
CVE-2025-23147 does not impact data integrity.
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Availability:
None
CVE-2025-23147 does not affect system availability.
CVE-2025-23147 References
External References
- https://git.kernel.org/stable/c/09359e7c8751961937cb5fc50220969b0a4e1058
- https://git.kernel.org/stable/c/1b54faa5f47fa7c642179744aeff03f0810dc62e
- https://git.kernel.org/stable/c/3ba402610843d7d15c7f3966a461deeeaff7fba4
- https://git.kernel.org/stable/c/6871a676aa534e8f218279672e0445c725f81026
- https://git.kernel.org/stable/c/bd496a44f041da9ef3afe14d1d6193d460424e91
- https://git.kernel.org/stable/c/d83b0c03ef8fbea2f03029a1cc1f5041f0e1d47f
- https://git.kernel.org/stable/c/e6bba328578feb58c614c11868c259b40484c5fa
- https://git.kernel.org/stable/c/fe4a4fc179b7898055555a11685915473588392e
- https://git.kernel.org/stable/c/ff9d61db59bb27d16d3f872bff2620d50856b80c
CWE Common Weakness Enumeration
Unknown
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