CVE-2024-27397
Vulnerability Scoring
Analysis In Progress
CVE-2024-27397
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-2024-27397 Details
Status: Awaiting Analysis
Last updated: 🕘 21 Nov 2024, 09:04 UTC
Originally published on: 🕒 14 May 2024, 15:12 UTC
Time between publication and last update: 190 days
CVSS Release:
CVE-2024-27397 Vulnerability Summary
CVE-2024-27397: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use timestamp to check for set element timeout Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area. Update set backend .insert, .deactivate and sync gc path to use the timestamp, this avoids that an element expires while control plane transaction is still unfinished. .lookup and .update, which are used from packet path, still use the current time to check if the element has expired. And .get path and dump also since this runs lockless under rcu read size lock. Then, there is async gc which also needs to check the current time since it runs asynchronously from a workqueue.
Assessing the Risk of CVE-2024-27397
Access Complexity Graph
The exploitability of CVE-2024-27397 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-2024-27397
No exploitability data is available for CVE-2024-27397.
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-2024-27397, 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-2024-27397, 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-2024-27397 does not compromise confidentiality.
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Integrity:
None
CVE-2024-27397 does not impact data integrity.
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Availability:
None
CVE-2024-27397 does not affect system availability.
Exploit Prediction Scoring System (EPSS)
The EPSS score estimates the probability that this vulnerability will be exploited in the near future.
EPSS Score: 0.044% (probability of exploit)
EPSS Percentile: 12.8%
(lower percentile = lower relative risk)
This vulnerability is less risky than approximately 87.2% of others.
CVE-2024-27397 References
External References
- https://git.kernel.org/stable/c/0d40e8cb1d1f56a994cdd2e015af622fdca9ed4d
- https://git.kernel.org/stable/c/383182db8d58c4237772ba0764cded4938a235c3
- https://git.kernel.org/stable/c/7395dfacfff65e9938ac0889dafa1ab01e987d15
- https://git.kernel.org/stable/c/7b17de2a71e56c10335b565cc7ad238e6d984379
- https://git.kernel.org/stable/c/b45176b869673417ace338b87cf9cdb66e2eeb01
- https://git.kernel.org/stable/c/eaf1a29ea5d7dba8e84e9e9f3b3f47d0cd540bfe
- https://git.kernel.org/stable/c/f8dfda798650241c1692058713ca4fef8e429061
- https://git.kernel.org/stable/c/383182db8d58c4237772ba0764cded4938a235c3
- https://git.kernel.org/stable/c/7395dfacfff65e9938ac0889dafa1ab01e987d15
- https://git.kernel.org/stable/c/b45176b869673417ace338b87cf9cdb66e2eeb01
CWE Common Weakness Enumeration
Unknown
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