CVE-2026-64536
Vulnerability Scoring
Analysis In Progress
CVE-2026-64536 Vulnerability Analysis & Exploit Details
CVE-2026-64536
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-2026-64536 Details
Status: Received on 27 Jul 2026, 08:16 UTC
Published on: 27 Jul 2026, 08:16 UTC
CVSS Release:
CVE-2026-64536 Vulnerability Summary
CVE-2026-64536: In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB reads in is_ap_in_tkip() IE loop The loop in is_ap_in_tkip() iterates over IEs without verifying that enough bytes remain before dereferencing the IE header or its payload: - pIE->element_id and pIE->length are read without checking that i + sizeof(*pIE) <= ie_length, so a truncated IE at the end of the buffer causes an OOB read. - For WLAN_EID_VENDOR_SPECIFIC the code compares pIE->data + 12, which requires pIE->length >= 16. For WLAN_EID_RSN it compares pIE->data + 8, requiring pIE->length >= 12. Neither requirement is checked. Add the missing IE header and payload bounds checks and guard each data access with an explicit pIE->length minimum, matching the pattern established in update_beacon_info().
Assessing the Risk of CVE-2026-64536
Access Complexity Graph
The exploitability of CVE-2026-64536 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-2026-64536
No exploitability data is available for CVE-2026-64536.
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-2026-64536, 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-2026-64536, 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-2026-64536 does not compromise confidentiality.
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Integrity:
None
CVE-2026-64536 does not impact data integrity.
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Availability:
None
CVE-2026-64536 does not affect system availability.
CVE-2026-64536 References
External References
- https://git.kernel.org/stable/c/204b22c8df115370037248859bf0fa62db73a396
- https://git.kernel.org/stable/c/3bf39f711ff27c64be8680a8938bcc5001982e81
- https://git.kernel.org/stable/c/4380b3860d887a13555ff024a58dfc05b490dfd6
- https://git.kernel.org/stable/c/6f26cc55affd9d7f88ae2f5d12db4ecf9072c209
- https://git.kernel.org/stable/c/a6105ea8ca6ebbc04beaf3bcbf7dbb5985f5d395
- https://git.kernel.org/stable/c/d2055332297e24c63fffda943ef7a5eefc0a6019
- https://git.kernel.org/stable/c/ea3809f7e20bdff282b8cc1e94937d5fb9fb32c7
CWE Common Weakness Enumeration
Unknown
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