CVE-2025-23138
Vulnerability Scoring
Analysis In Progress
CVE-2025-23138 Vulnerability Analysis & Exploit Details
CVE-2025-23138
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-2025-23138 Details
Status: Awaiting Analysis
Last updated: 🕗 17 Apr 2025, 20:22 UTC
Originally published on: 🕒 16 Apr 2025, 15:16 UTC
Time between publication and last update: 1 days
CVSS Release:
CVE-2025-23138 Vulnerability Summary
CVE-2025-23138: In the Linux kernel, the following vulnerability has been resolved: watch_queue: fix pipe accounting mismatch Currently, watch_queue_set_size() modifies the pipe buffers charged to user->pipe_bufs without updating the pipe->nr_accounted on the pipe itself, due to the if (!pipe_has_watch_queue()) test in pipe_resize_ring(). This means that when the pipe is ultimately freed, we decrement user->pipe_bufs by something other than what than we had charged to it, potentially leading to an underflow. This in turn can cause subsequent too_many_pipe_buffers_soft() tests to fail with -EPERM. To remedy this, explicitly account for the pipe usage in watch_queue_set_size() to match the number set via account_pipe_buffers() (It's unclear why watch_queue_set_size() does not update nr_accounted; it may be due to intentional overprovisioning in watch_queue_set_size()?)
Assessing the Risk of CVE-2025-23138
Access Complexity Graph
The exploitability of CVE-2025-23138 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-2025-23138
No exploitability data is available for CVE-2025-23138.
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-2025-23138, 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-2025-23138, 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-2025-23138 does not compromise confidentiality.
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Integrity:
None
CVE-2025-23138 does not impact data integrity.
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Availability:
None
CVE-2025-23138 does not affect system availability.
CVE-2025-23138 References
External References
- https://git.kernel.org/stable/c/205028ebba838938d3b264dda1d0708fa7fe1ade
- https://git.kernel.org/stable/c/2d680b988656bb556c863d8b46d9b9096842bf3d
- https://git.kernel.org/stable/c/471c89b7d4f58bd6082f7c1fe14d4ca15c7f1284
- https://git.kernel.org/stable/c/56ec918e6c86c1536870e4373e91eddd0c44245f
- https://git.kernel.org/stable/c/6dafa27764183738dc5368b669b71e3d0d154f12
- https://git.kernel.org/stable/c/8658c75343ed00e5e154ebbe24335f51ba8db547
- https://git.kernel.org/stable/c/d40e3537265dea9e3c33021874437ff26dc18787
- https://git.kernel.org/stable/c/f13abc1e8e1a3b7455511c4e122750127f6bc9b0
CWE Common Weakness Enumeration
Unknown
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