CVE-2026-21399

State
Published
Severity
6.9 Medium
Published
Aug 11, 2026
Updated
Aug 12, 2026
Reserved
Dec 19, 2025

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Description

Heap-based buffer overflow for the Intel(R) Open Volume Kernel Library (Intel(R) Open VKL) library maintained by intel(R) before version 2.0.2 within Ring 3: User Applications may allow a denial of service. System software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:Nintel

Weaknesses

Affected Products

ProductVersions
Intel(R) Open Volume Kernel Library (Intel(R) Open VKL) library maintained by intel(R)n/a
  • before version 2.0.2Affected

References

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