CVE-2024-42127
Vulnerability Scoring
Analysis In Progress
CVE-2024-42127
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-2024-42127 Details
Status: Awaiting Analysis
Published on: 30 Jul 2024, 08:15 UTC
CVSS Release:
CVE-2024-42127 Vulnerability Summary
CVE-2024-42127: In the Linux kernel, the following vulnerability has been resolved: drm/lima: fix shared irq handling on driver remove lima uses a shared interrupt, so the interrupt handlers must be prepared to be called at any time. At driver removal time, the clocks are disabled early and the interrupts stay registered until the very end of the remove process due to the devm usage. This is potentially a bug as the interrupts access device registers which assumes clocks are enabled. A crash can be triggered by removing the driver in a kernel with CONFIG_DEBUG_SHIRQ enabled. This patch frees the interrupts at each lima device finishing callback so that the handlers are already unregistered by the time we fully disable clocks.
Assessing the Risk of CVE-2024-42127
Access Complexity Graph
The exploitability of CVE-2024-42127 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-2024-42127
No exploitability data is available for CVE-2024-42127.
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-2024-42127, 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-2024-42127, 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-2024-42127 does not compromise confidentiality.
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Integrity:
None
CVE-2024-42127 does not impact data integrity.
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Availability:
None
CVE-2024-42127 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-2024-42127 References
External References
- https://git.kernel.org/stable/c/04d531b9a1875846d4f89953b469ad463aa7a770
- https://git.kernel.org/stable/c/0a487e977cb8897ae4c51ecd34bbaa2b005266c9
- https://git.kernel.org/stable/c/0d60c43df59ef01c08dc7b0c45495178f9d05a13
- https://git.kernel.org/stable/c/17fe8b75aaf0bb1bdc31368963446b421c22d0af
- https://git.kernel.org/stable/c/25d0d9b83d855cbc5d5aa5ae3cd79d55ea0c84a8
- https://git.kernel.org/stable/c/a6683c690bbfd1f371510cb051e8fa49507f3f5e
- https://git.kernel.org/stable/c/b5daf9217a50636a969bc1965f827878aeb09ffe
CWE Common Weakness Enumeration
Unknown
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