CVE-2026-43425
Vulnerability Scoring
Analysis In Progress
CVE-2026-43425 Vulnerability Analysis & Exploit Details
CVE-2026-43425
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-2026-43425 Details
Status: Received on 08 May 2026, 15:16 UTC
Published on: 08 May 2026, 15:16 UTC
CVSS Release:
CVE-2026-43425 Vulnerability Summary
CVE-2026-43425: In the Linux kernel, the following vulnerability has been resolved: usb: image: mdc800: kill download URB on timeout mdc800_device_read() submits download_urb and waits for completion. If the timeout fires and the device has not responded, the function returns without killing the URB, leaving it active. A subsequent read() resubmits the same URB while it is still in-flight, triggering the WARN in usb_submit_urb(): "URB submitted while active" Check the return value of wait_event_timeout() and kill the URB if it indicates timeout, ensuring the URB is complete before its status is inspected or the URB is resubmitted. Similar to - commit 372c93131998 ("USB: yurex: fix control-URB timeout handling") - commit b98d5000c505 ("media: rc: iguanair: handle timeouts")
Assessing the Risk of CVE-2026-43425
Access Complexity Graph
The exploitability of CVE-2026-43425 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-2026-43425
No exploitability data is available for CVE-2026-43425.
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-2026-43425, 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-2026-43425, 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-2026-43425 does not compromise confidentiality.
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Integrity:
None
CVE-2026-43425 does not impact data integrity.
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Availability:
None
CVE-2026-43425 does not affect system availability.
CVE-2026-43425 References
External References
- https://git.kernel.org/stable/c/15536f6c15f48037a1672cbdea53266d67861ff6
- https://git.kernel.org/stable/c/155f471e38aa516f6c58c2ae03ca3dc222fa2fdb
- https://git.kernel.org/stable/c/1be3b77de4eb89af8ae2fd6610546be778e25589
- https://git.kernel.org/stable/c/9bf877cc67309b2a063b0087c3ad8585fb11cec3
- https://git.kernel.org/stable/c/9fa5a49760979ba016506fe292a431c8b83f043e
- https://git.kernel.org/stable/c/b7fed917f84e484e06c5e9926746d0b524e3a93e
- https://git.kernel.org/stable/c/cc7398447810c9450c90d092efe9997569f8d96f
- https://git.kernel.org/stable/c/d4a400a6a4c4d49f77a04a3f401df5ae1a10657c
CWE Common Weakness Enumeration
Unknown
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