CVE-2022-49816
Vulnerability Scoring
Analysis In Progress
CVE-2022-49816 Vulnerability Analysis & Exploit Details
CVE-2022-49816
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-2022-49816 Details
Status: Received on 01 May 2025, 15:16 UTC
Published on: 01 May 2025, 15:16 UTC
CVSS Release:
CVE-2022-49816 Vulnerability Summary
CVE-2022-49816: In the Linux kernel, the following vulnerability has been resolved: xen/pcpu: fix possible memory leak in register_pcpu() In device_add(), dev_set_name() is called to allocate name, if it returns error, the name need be freed. As comment of device_register() says, it should use put_device() to give up the reference in the error path. So fix this by calling put_device(), then the name can be freed in kobject_cleanup().
Assessing the Risk of CVE-2022-49816
Access Complexity Graph
The exploitability of CVE-2022-49816 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-2022-49816
No exploitability data is available for CVE-2022-49816.
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-2022-49816, 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-2022-49816, 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-2022-49816 does not compromise confidentiality.
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Integrity:
None
CVE-2022-49816 does not impact data integrity.
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Availability:
None
CVE-2022-49816 does not affect system availability.
CVE-2022-49816 References
External References
- https://git.kernel.org/stable/c/0199bf0a8f74509736744c9e36f4473a5892a09d
- https://git.kernel.org/stable/c/6209a85079a035b5c2279b15b197531156b549fa
- https://git.kernel.org/stable/c/7ed540bcee2e24479524b9705cc7462b2652f944
- https://git.kernel.org/stable/c/bb9924a6edd9d4a9ef83a5f337af60f8a7a68f98
- https://git.kernel.org/stable/c/c08c13cb13fa3866dd0700db3b246fcd2043ab81
- https://git.kernel.org/stable/c/ccb22c876e8e7f62377e749c971907efe65d34c2
- https://git.kernel.org/stable/c/da36a2a76b01b210ffaa55cdc2c99bc8783697c5
- https://git.kernel.org/stable/c/e948f3c129d78537ded70bcc99c31f0b45f05dd7
CWE Common Weakness Enumeration
Unknown
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