CVE-2025-38555
Vulnerability Scoring
Analysis In Progress
CVE-2025-38555 Vulnerability Analysis & Exploit Details
CVE-2025-38555
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-2025-38555 Details
Status: Awaiting Analysis
Last updated: 🕒 28 Aug 2025, 15:15 UTC
Originally published on: 🕔 19 Aug 2025, 17:15 UTC
Time between publication and last update: 8 days
CVSS Release:
CVE-2025-38555 Vulnerability Summary
CVE-2025-38555: In the Linux kernel, the following vulnerability has been resolved: usb: gadget : fix use-after-free in composite_dev_cleanup() 1. In func configfs_composite_bind() -> composite_os_desc_req_prepare(): if kmalloc fails, the pointer cdev->os_desc_req will be freed but not set to NULL. Then it will return a failure to the upper-level function. 2. in func configfs_composite_bind() -> composite_dev_cleanup(): it will checks whether cdev->os_desc_req is NULL. If it is not NULL, it will attempt to use it.This will lead to a use-after-free issue. BUG: KASAN: use-after-free in composite_dev_cleanup+0xf4/0x2c0 Read of size 8 at addr 0000004827837a00 by task init/1 CPU: 10 PID: 1 Comm: init Tainted: G O 5.10.97-oh #1 kasan_report+0x188/0x1cc __asan_load8+0xb4/0xbc composite_dev_cleanup+0xf4/0x2c0 configfs_composite_bind+0x210/0x7ac udc_bind_to_driver+0xb4/0x1ec usb_gadget_probe_driver+0xec/0x21c gadget_dev_desc_UDC_store+0x264/0x27c
Assessing the Risk of CVE-2025-38555
Access Complexity Graph
The exploitability of CVE-2025-38555 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-2025-38555
No exploitability data is available for CVE-2025-38555.
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-2025-38555, 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-2025-38555, 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-2025-38555 does not compromise confidentiality.
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Integrity:
None
CVE-2025-38555 does not impact data integrity.
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Availability:
None
CVE-2025-38555 does not affect system availability.
CVE-2025-38555 References
External References
- https://git.kernel.org/stable/c/151c0aa896c47a4459e07fee7d4843f44c1bb18e
- https://git.kernel.org/stable/c/2db29235e900a084a656dea7e0939b0abb7bb897
- https://git.kernel.org/stable/c/5f06ee9f9a3665d43133f125c17e5258a13f3963
- https://git.kernel.org/stable/c/8afb22aa063f706f3343707cdfb8cda4d021dd33
- https://git.kernel.org/stable/c/aada327a9f8028c573636fa60c0abc80fb8135c9
- https://git.kernel.org/stable/c/bd3c4ef60baf7f65c963f3e12d9d7b2b091e20ba
- https://git.kernel.org/stable/c/dba96dfa5a0f685b959dd28a52ac8dab0b805204
- https://git.kernel.org/stable/c/e1be1f380c82a69f80c68c96a7cfe8759fb30355
- https://git.kernel.org/stable/c/e624bf26127645a2f7821e73fdf6dc64bad07835
CWE Common Weakness Enumeration
Unknown
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