CVE-2023-26924
NixOS vulnerability analysis and mitigation

Overview

LLVM commit a0dab4950 was identified with a segmentation fault vulnerability in the mlir::outlineSingleBlockRegion function. This vulnerability was assigned CVE-2023-26924. However, it's worth noting that this issue is disputed as the LLVM security policy explicitly excludes language front-ends where malicious input files can cause undesirable behavior (LLVM Security, NVD).

Technical details

The vulnerability manifests as a segmentation fault in the mlir::outlineSingleBlockRegion function. According to the National Vulnerability Database, it received a CVSS v3.1 Base Score of 5.5 (MEDIUM) with a vector string of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. The issue can be triggered using the mlir-opt tool with specific test parameters (Github Issue).

Impact

The vulnerability can lead to a denial of service condition through a segmentation fault, affecting the availability of the system. The CVSS scoring indicates high impact on availability but no impact on confidentiality or integrity (NVD).

Additional resources


SourceThis report was generated using AI

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