CVE-2025-71182
Vulnerability Scoring
Analysis In Progress
CVE-2025-71182 Vulnerability Analysis & Exploit Details
CVE-2025-71182
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-2025-71182 Details
Status: Awaiting Analysis
Last updated: 🕟 03 Feb 2026, 16:44 UTC
Originally published on: 🕛 31 Jan 2026, 12:16 UTC
Time between publication and last update: 3 days
CVSS Release:
CVE-2025-71182 Vulnerability Summary
CVE-2025-71182: In the Linux kernel, the following vulnerability has been resolved: can: j1939: make j1939_session_activate() fail if device is no longer registered syzbot is still reporting unregister_netdevice: waiting for vcan0 to become free. Usage count = 2 even after commit 93a27b5891b8 ("can: j1939: add missing calls in NETDEV_UNREGISTER notification handler") was added. A debug printk() patch found that j1939_session_activate() can succeed even after j1939_cancel_active_session() from j1939_netdev_notify(NETDEV_UNREGISTER) has completed. Since j1939_cancel_active_session() is processed with the session list lock held, checking ndev->reg_state in j1939_session_activate() with the session list lock held can reliably close the race window.
Assessing the Risk of CVE-2025-71182
Access Complexity Graph
The exploitability of CVE-2025-71182 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-2025-71182
No exploitability data is available for CVE-2025-71182.
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-2025-71182, 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-2025-71182, 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-2025-71182 does not compromise confidentiality.
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Integrity:
None
CVE-2025-71182 does not impact data integrity.
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Availability:
None
CVE-2025-71182 does not affect system availability.
CVE-2025-71182 References
External References
- https://git.kernel.org/stable/c/46ca9dc978923c5e1247a9e9519240ba7ace413c
- https://git.kernel.org/stable/c/5d5602236f5db19e8b337a2cd87a90ace5ea776d
- https://git.kernel.org/stable/c/78d87b72cebe2a993fd5b017e9f14fb6278f2eae
- https://git.kernel.org/stable/c/79dd3f1d9dd310c2af89b09c71f34d93973b200f
- https://git.kernel.org/stable/c/ba6f0d1832eeb5eb3a6dc5cb30e0f720b3cb3536
- https://git.kernel.org/stable/c/c3a4316e3c746af415c0fd6c6d489ad13f53714d
- https://git.kernel.org/stable/c/ebb0dfd718dd31c8d3600612ca4b7207ec3d923a
CWE Common Weakness Enumeration
Unknown
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