CVE-2025-71274
Vulnerability Scoring
Analysis In Progress
CVE-2025-71274 Vulnerability Analysis & Exploit Details
CVE-2025-71274
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-2025-71274 Details
Status: Awaiting Analysis
Published on: 06 May 2026, 12:16 UTC
CVSS Release:
CVE-2025-71274 Vulnerability Summary
CVE-2025-71274: In the Linux kernel, the following vulnerability has been resolved: rpmsg: core: fix race in driver_override_show() and use core helper The driver_override_show function reads the driver_override string without holding the device_lock. However, the store function modifies and frees the string while holding the device_lock. This creates a race condition where the string can be freed by the store function while being read by the show function, leading to a use-after-free. To fix this, replace the rpmsg_string_attr macro with explicit show and store functions. The new driver_override_store uses the standard driver_set_override helper. Since the introduction of driver_set_override, the comments in include/linux/rpmsg.h have stated that this helper must be used to set or clear driver_override, but the implementation was not updated until now. Because driver_set_override modifies and frees the string while holding the device_lock, the new driver_override_show now correctly holds the device_lock during the read operation to prevent the race. Additionally, since rpmsg_string_attr has only ever been used for driver_override, removing the macro simplifies the code.
Assessing the Risk of CVE-2025-71274
Access Complexity Graph
The exploitability of CVE-2025-71274 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-2025-71274
No exploitability data is available for CVE-2025-71274.
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-2025-71274, 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-2025-71274, 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-2025-71274 does not compromise confidentiality.
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Integrity:
None
CVE-2025-71274 does not impact data integrity.
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Availability:
None
CVE-2025-71274 does not affect system availability.
CVE-2025-71274 References
External References
- https://git.kernel.org/stable/c/2e4a70f3c30910427e5ea848b799066d67b963d5
- https://git.kernel.org/stable/c/392c6b68334aa0e0ae9aba95c0a366bcb0d92f5d
- https://git.kernel.org/stable/c/42023d4b6d2661a40ee2dcf7e1a3528a35c638ca
- https://git.kernel.org/stable/c/47615557447185917afa432b7958f87583c417cb
- https://git.kernel.org/stable/c/7654e6e3cd6bdee9602f6063b3c670bd556d7e61
- https://git.kernel.org/stable/c/90c8353f471821d7ccd4fe573a2402e056192494
- https://git.kernel.org/stable/c/954557957177c3c13d7c655976665b1170da5e50
- https://git.kernel.org/stable/c/d66b8074c555e8abb0ae19eea1c9f3635498bdde
CWE Common Weakness Enumeration
Unknown
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