CVE-2026-90034
Vulnerability Scoring
Analysis In Progress
CVE-2026-90034 Vulnerability Analysis & Exploit Details
CVE-2026-90034
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-2026-90034 Details
Status: Received on 16 Sep 2026, 11:17 UTC
Published on: 16 Sep 2026, 11:17 UTC
CVSS Release:
CVE-2026-90034 Vulnerability Summary
CVE-2026-90034: In the Linux kernel, the following vulnerability has been resolved: usb: image: mdc800: change kmalloc() to kzalloc() Change the kmalloc() calls in usb_mdc800_init() for irq_urb_buffer and download_urb_buffer to kzalloc(), avoiding potential stack leaks if a shorter message is received in mdc800_usb_irq() and mdc800_usb_download_notify()
Assessing the Risk of CVE-2026-90034
Access Complexity Graph
The exploitability of CVE-2026-90034 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-2026-90034
No exploitability data is available for CVE-2026-90034.
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-2026-90034, 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-2026-90034, 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-2026-90034 does not compromise confidentiality.
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Integrity:
None
CVE-2026-90034 does not impact data integrity.
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Availability:
None
CVE-2026-90034 does not affect system availability.
CVE-2026-90034 References
External References
- https://git.kernel.org/stable/c/2430eb81e44111b30eeb5273bbcf8b24ca517ef9
- https://git.kernel.org/stable/c/2df8f7720ed91f1aad4f128553b6e90c7c5fac1e
- https://git.kernel.org/stable/c/553c375e86a49882e95840565512e17bff31cc3a
- https://git.kernel.org/stable/c/67c6726dd6048a2781aa43a2bf9fcf1e16ee3a7d
- https://git.kernel.org/stable/c/6c601410d1a9ae645f604fe2f61b9f4942c77dfb
- https://git.kernel.org/stable/c/838455cc8bfe1278150d1d776529edea6cd4c1dd
- https://git.kernel.org/stable/c/8c38049879f2108f57c98f03cc7f3db51a12bdab
- https://git.kernel.org/stable/c/e22428f0c038c23109c0383a235aa607b0cd4c95
CWE Common Weakness Enumeration
Unknown
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