CVE-2023-53804
Vulnerability Scoring
Analysis In Progress
CVE-2023-53804 Vulnerability Analysis & Exploit Details
CVE-2023-53804
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-2023-53804 Details
Status: Awaiting Analysis
Published on: 09 Dec 2025, 01:16 UTC
CVSS Release:
CVE-2023-53804 Vulnerability Summary
CVE-2023-53804: In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode() During unmount process of nilfs2, nothing holds nilfs_root structure after nilfs2 detaches its writer in nilfs_detach_log_writer(). However, since nilfs_evict_inode() uses nilfs_root for some cleanup operations, it may cause use-after-free read if inodes are left in "garbage_list" and released by nilfs_dispose_list() at the end of nilfs_detach_log_writer(). Fix this issue by modifying nilfs_evict_inode() to only clear inode without additional metadata changes that use nilfs_root if the file system is degraded to read-only or the writer is detached.
Assessing the Risk of CVE-2023-53804
Access Complexity Graph
The exploitability of CVE-2023-53804 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-2023-53804
No exploitability data is available for CVE-2023-53804.
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-2023-53804, 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-2023-53804, 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-2023-53804 does not compromise confidentiality.
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Integrity:
None
CVE-2023-53804 does not impact data integrity.
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Availability:
None
CVE-2023-53804 does not affect system availability.
CVE-2023-53804 References
External References
- https://git.kernel.org/stable/c/116d53f09ff52e6f98e3fe1f85d8898d6ba26c68
- https://git.kernel.org/stable/c/2a782ea8ebd712a458466e3103e2881b4f886cb5
- https://git.kernel.org/stable/c/6b4205ea97901f822004e6c8d59484ccfda03faa
- https://git.kernel.org/stable/c/9b5a04ac3ad9898c4745cba46ea26de74ba56a8e
- https://git.kernel.org/stable/c/acc2a40e428f12780004e1e9fce4722d88f909fd
- https://git.kernel.org/stable/c/b8427b8522d9ede53015ba45a9978ba68d1162f5
- https://git.kernel.org/stable/c/f31e18131ee2ce80a4da5c808221d25b1ae9ad6d
- https://git.kernel.org/stable/c/fb8e8d58f116d069e5939e1f786ac84e7fa4533e
CWE Common Weakness Enumeration
Unknown
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