CVE-2026-52931
Vulnerability Scoring
Analysis In Progress
CVE-2026-52931 Vulnerability Analysis & Exploit Details
CVE-2026-52931
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-2026-52931 Details
Status: Received on 24 Jun 2026, 08:16 UTC
Published on: 24 Jun 2026, 08:16 UTC
CVSS Release:
CVE-2026-52931 Vulnerability Summary
CVE-2026-52931: In the Linux kernel, the following vulnerability has been resolved: batman-adv: tp_meter: avoid use of uninit sender vars batadv_tp_recv_ack() and batadv_tp_stop() are only valid for tp_vars in the BATADV_TP_SENDER role. When called with a BATADV_TP_RECEIVER role, it proceeds to read sender-only members that were never initialized, leading to undefined behavior. This can be triggered when a node that is currently acting as a receiver in an ongoing tp_meter session receives a malicious ACK packet. Guard against this by checking tp_vars->role immediately after the lookup and bailing out if it is not BATADV_TP_SENDER, before any of those members are accessed.
Assessing the Risk of CVE-2026-52931
Access Complexity Graph
The exploitability of CVE-2026-52931 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-2026-52931
No exploitability data is available for CVE-2026-52931.
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-2026-52931, 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-2026-52931, 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-2026-52931 does not compromise confidentiality.
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Integrity:
None
CVE-2026-52931 does not impact data integrity.
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Availability:
None
CVE-2026-52931 does not affect system availability.
CVE-2026-52931 References
External References
- https://git.kernel.org/stable/c/0e388af04b3958b178a1b979527f93eb46ea1fee
- https://git.kernel.org/stable/c/1a21c055f66e78973712a4a1be2a554f1ee2e4f4
- https://git.kernel.org/stable/c/53f931e0146ae5bdab4cba302646827d06b3794b
- https://git.kernel.org/stable/c/6c65cf23d4c6170fcf5714c32aa64689718cb142
- https://git.kernel.org/stable/c/85397e48afe6be83ffca5ad3f4792296bfc81d3d
- https://git.kernel.org/stable/c/9884c9c02d3c90e9215db3c5128f59045d20ae91
- https://git.kernel.org/stable/c/dc2ae5fbd2dadc26735092f140b246841d969a11
- https://git.kernel.org/stable/c/ecdaa3e4d91040206afe21bc8a0d1198a0971ff3
CWE Common Weakness Enumeration
Unknown
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