CVE-2026-68331
Vulnerability Scoring
Analysis In Progress
CVE-2026-68331 Vulnerability Analysis & Exploit Details
CVE-2026-68331
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-2026-68331 Details
Status: Received on 10 Aug 2026, 13:20 UTC
Last updated: 🕔 19 Aug 2026, 17:20 UTC
Originally published on: 🕐 10 Aug 2026, 13:20 UTC
Time between publication and last update: 9 days
CVSS Release:
CVE-2026-68331 Vulnerability Summary
CVE-2026-68331: In the Linux kernel, the following vulnerability has been resolved: dpaa2-eth: put MAC endpoint device on disconnect fsl_mc_get_endpoint() returns the MAC endpoint device with a reference taken through device_find_child(). The Ethernet connect path stores that device in mac->mc_dev and keeps it for the lifetime of the connected MAC object. However, the disconnect path only disconnects and closes the MAC before freeing the dpaa2_mac object. It does not drop the endpoint device reference stored in mac->mc_dev, so every successful connect leaks that device reference when the MAC is later disconnected. Drop the endpoint device reference after closing the MAC and before freeing the dpaa2_mac object.
Assessing the Risk of CVE-2026-68331
Access Complexity Graph
The exploitability of CVE-2026-68331 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-2026-68331
No exploitability data is available for CVE-2026-68331.
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-2026-68331, 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-2026-68331, 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-2026-68331 does not compromise confidentiality.
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Integrity:
None
CVE-2026-68331 does not impact data integrity.
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Availability:
None
CVE-2026-68331 does not affect system availability.
CVE-2026-68331 References
External References
- https://git.kernel.org/stable/c/1974127776da46a000c61f36d4946799ea6d4f51
- https://git.kernel.org/stable/c/6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1
- https://git.kernel.org/stable/c/915012e923316b8b5d5bf8fc771617b47bd7572d
- https://git.kernel.org/stable/c/a3cecf169cc652b558d08661bb6ce55e4c933ec0
- https://git.kernel.org/stable/c/b4b201cc93ff70150853aba03e14d314d1980ca0
- https://git.kernel.org/stable/c/e23e4a3b9dfd893469c731318d409cdf04fb1ddf
- https://git.kernel.org/stable/c/f112df0744e2d77baa68eeebb860021bbaaa022a
CWE Common Weakness Enumeration
Unknown
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