CVE-2023-54087
Vulnerability Scoring
Analysis In Progress
CVE-2023-54087 Vulnerability Analysis & Exploit Details
CVE-2023-54087
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-2023-54087 Details
Status: Received on 24 Dec 2025, 13:16 UTC
Published on: 24 Dec 2025, 13:16 UTC
CVSS Release:
CVE-2023-54087 Vulnerability Summary
CVE-2023-54087: In the Linux kernel, the following vulnerability has been resolved: ubi: Fix possible null-ptr-deref in ubi_free_volume() It willl cause null-ptr-deref in the following case: uif_init() ubi_add_volume() cdev_add() -> if it fails, call kill_volumes() device_register() kill_volumes() -> if ubi_add_volume() fails call this function ubi_free_volume() cdev_del() device_unregister() -> trying to delete a not added device, it causes null-ptr-deref So in ubi_free_volume(), it delete devices whether they are added or not, it will causes null-ptr-deref. Handle the error case whlie calling ubi_add_volume() to fix this problem. If add volume fails, set the corresponding vol to null, so it can not be accessed in kill_volumes() and release the resource in ubi_add_volume() error path.
Assessing the Risk of CVE-2023-54087
Access Complexity Graph
The exploitability of CVE-2023-54087 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-2023-54087
No exploitability data is available for CVE-2023-54087.
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-2023-54087, 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-2023-54087, 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-2023-54087 does not compromise confidentiality.
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Integrity:
None
CVE-2023-54087 does not impact data integrity.
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Availability:
None
CVE-2023-54087 does not affect system availability.
CVE-2023-54087 References
External References
- https://git.kernel.org/stable/c/234c53e57424992e657e6f4acc00d3df0983176f
- https://git.kernel.org/stable/c/2ea7195b195009ecf0046e55361f393ba96d02db
- https://git.kernel.org/stable/c/45b2c5ca4d2edae70f19fdb086bd927840c4c309
- https://git.kernel.org/stable/c/5558bcf1c58720ca6e9d6198d921cb3aa337f038
- https://git.kernel.org/stable/c/5ec4c8aca5a221756a9007deadfea92795319fee
- https://git.kernel.org/stable/c/9eccdb0760cbcb4427b5303a83a3007de998af51
- https://git.kernel.org/stable/c/c15859bfd326c10230f09cb48a17f8a35f190342
- https://git.kernel.org/stable/c/fcbc795abe7897da4b5d2a6ab5010e36774b00c2
CWE Common Weakness Enumeration
Unknown
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