CVE-2022-50568
Vulnerability Scoring
Analysis In Progress
CVE-2022-50568 Vulnerability Analysis & Exploit Details
CVE-2022-50568
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-2022-50568 Details
Status: Awaiting Analysis
Published on: 22 Oct 2025, 14:15 UTC
CVSS Release:
CVE-2022-50568 Vulnerability Summary
CVE-2022-50568: In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: fix f_hidg lifetime vs cdev The embedded struct cdev does not have its lifetime correctly tied to the enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN is held open while the gadget is deleted. This can readily be replicated with libusbgx's example programs (for conciseness - operating directly via configfs is equivalent): gadget-hid exec 3<> /dev/hidg0 gadget-vid-pid-remove exec 3<&- Pull the existing device up in to struct f_hidg and make use of the cdev_device_{add,del}() helpers. This changes the lifetime of the device object to match struct f_hidg, but note that it is still added and deleted at the same time.
Assessing the Risk of CVE-2022-50568
Access Complexity Graph
The exploitability of CVE-2022-50568 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-2022-50568
No exploitability data is available for CVE-2022-50568.
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-2022-50568, 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-2022-50568, 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-2022-50568 does not compromise confidentiality.
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Integrity:
None
CVE-2022-50568 does not impact data integrity.
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Availability:
None
CVE-2022-50568 does not affect system availability.
CVE-2022-50568 References
External References
- https://git.kernel.org/stable/c/1b6a53e447ec3d81623610c8c7ec5082b47dfdce
- https://git.kernel.org/stable/c/1cd7f156f6389918f760687fbbf133c86da93162
- https://git.kernel.org/stable/c/89ff3dfac604614287ad5aad9370c3f984ea3f4b
- https://git.kernel.org/stable/c/9e08b7f5fa00e9d550851352bd0d1ba74ccffef2
- https://git.kernel.org/stable/c/9e4b85d815b14bd4db2deea2a54264a23de8b896
- https://git.kernel.org/stable/c/c78c87c4e389b62f8892af7f59857447aa6d9797
- https://git.kernel.org/stable/c/d3136b79705c2e3bba9c76adc5628af0215d798e
CWE Common Weakness Enumeration
Unknown
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