CVE-2023-53304
Vulnerability Scoring
Analysis In Progress
CVE-2023-53304 Vulnerability Analysis & Exploit Details
CVE-2023-53304
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-2023-53304 Details
Status: Awaiting Analysis
Last updated: 🕑 17 Sep 2025, 14:18 UTC
Originally published on: 🕔 16 Sep 2025, 17:15 UTC
CVSS Release:
CVE-2023-53304 Vulnerability Summary
CVE-2023-53304: In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: fix overlap expiration walk The lazy gc on insert that should remove timed-out entries fails to release the other half of the interval, if any. Can be reproduced with tests/shell/testcases/sets/0044interval_overlap_0 in nftables.git and kmemleak enabled kernel. Second bug is the use of rbe_prev vs. prev pointer. If rbe_prev() returns NULL after at least one iteration, rbe_prev points to element that is not an end interval, hence it should not be removed. Lastly, check the genmask of the end interval if this is active in the current generation.
Assessing the Risk of CVE-2023-53304
Access Complexity Graph
The exploitability of CVE-2023-53304 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-2023-53304
No exploitability data is available for CVE-2023-53304.
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-2023-53304, 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-2023-53304, 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-2023-53304 does not compromise confidentiality.
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Integrity:
None
CVE-2023-53304 does not impact data integrity.
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Availability:
None
CVE-2023-53304 does not affect system availability.
CVE-2023-53304 References
External References
- https://git.kernel.org/stable/c/50cbb9d195c197af671869c8cadce3bd483735a0
- https://git.kernel.org/stable/c/8284a79136c384059e85e278da2210b809730287
- https://git.kernel.org/stable/c/893cb3c3513cf661a0ff45fe0cfa83fe27131f76
- https://git.kernel.org/stable/c/89a4d1a89751a0fbd520e64091873e19cc0979e8
- https://git.kernel.org/stable/c/acaee227cf79c45a5d2d49c3e9a66333a462802c
- https://git.kernel.org/stable/c/cd66733932399475fe933cb3ec03e687ed401462
- https://git.kernel.org/stable/c/f718863aca469a109895cb855e6b81fff4827d71
CWE Common Weakness Enumeration
Unknown
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