CVE-2026-43316
Vulnerability Scoring
Analysis In Progress
CVE-2026-43316 Vulnerability Analysis & Exploit Details
CVE-2026-43316
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-2026-43316 Details
Status: Received on 08 May 2026, 14:16 UTC
Published on: 08 May 2026, 14:16 UTC
CVSS Release:
CVE-2026-43316 Vulnerability Summary
CVE-2026-43316: In the Linux kernel, the following vulnerability has been resolved: media: solo6x10: Check for out of bounds chip_id Clang with CONFIG_UBSAN_SHIFT=y noticed a condition where a signed type (literal "1" is an "int") could end up being shifted beyond 32 bits, so instrumentation was added (and due to the double is_tw286x() call seen via inlining), Clang decides the second one must now be undefined behavior and elides the rest of the function[1]. This is a known problem with Clang (that is still being worked on), but we can avoid the entire problem by actually checking the existing max chip ID, and now there is no runtime instrumentation added at all since everything is known to be within bounds. Additionally use an unsigned value for the shift to remove the instrumentation even without the explicit bounds checking. [hverkuil: fix checkpatch warning for is_tw286x]
Assessing the Risk of CVE-2026-43316
Access Complexity Graph
The exploitability of CVE-2026-43316 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-2026-43316
No exploitability data is available for CVE-2026-43316.
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-2026-43316, 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-2026-43316, 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-2026-43316 does not compromise confidentiality.
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Integrity:
None
CVE-2026-43316 does not impact data integrity.
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Availability:
None
CVE-2026-43316 does not affect system availability.
CVE-2026-43316 References
External References
- https://git.kernel.org/stable/c/0b3dadada2417782a63ce32dae05bafe1c949e3f
- https://git.kernel.org/stable/c/0fdf6323c35a134f206dcad5babb4ff488552076
- https://git.kernel.org/stable/c/33af366211ee78e3b074ff44a16121e537e86826
- https://git.kernel.org/stable/c/4d6db0c6bbbfd8d7bbdbf7ab6a9c003752abf116
- https://git.kernel.org/stable/c/5849ae68d7b8b6ad55cc1bf0d227dd2ae6362528
- https://git.kernel.org/stable/c/603e3859393ee2ce91393b7d05e6e56e4b66e5cd
- https://git.kernel.org/stable/c/c327192ca26670cf6e588c1eeda66cd2fa97630e
- https://git.kernel.org/stable/c/d29f33b2cf98e4901cd5457d1ee34062e808df73
CWE Common Weakness Enumeration
Unknown
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