PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-97447 Linux CVE debrief

The Linux kernel has a vulnerability (CVE-2026-97447) that has been resolved through enhancements to OEM ID and Table ID validation in acpi_ex_load_table_op() to prevent buffer overflows. This change is crucial for ensuring the security and integrity of systems utilizing the Linux kernel, as buffer overflows could potentially allow attackers to execute arbitrary code or escalate privileges. Linux kernel maintainers, system administrators, and security teams must verify Linux kernel versions and ACPICA updates to ensure that OEM ID and Table ID validation is enhanced. This involves reviewing system configurations for compliance with the updated validation rules and ensuring that any

Vendor
Linux
Product
Unknown
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-24
Original CVE updated
2026-09-25
Advisory published
2026-09-24
Advisory updated
2026-09-25

Who should care

Linux kernel maintainers, system administrators, and security teams should verify Linux kernel versions and ACPICA updates to ensure OEM ID and Table ID validation is enhanced.

Why it matters

The Linux kernel vulnerability requires verification of Linux kernel versions and ACPICA updates to ensure OEM ID and Table ID validation is enhanced, which is crucial for preventing potential buffer overflows and ensuring system security.

  • Verify Linux kernel versions and ACPICA updates to prevent potential buffer overflows.
  • Review system configurations for OEM ID and Table ID validation to ensure security.

Technical summary

The Linux kernel vulnerability (CVE-2026-97447) enhances OEM ID and Table ID validation in acpi_ex_load_table_op() to prevent buffer overflows. This enhancement is a critical security update aimed at mitigating the risk of buffer overflow attacks, which could lead to arbitrary code execution or privilege escalation. The update requires verification of Linux kernel versions and ACPICA updates to ensure that systems are protected against potential exploits. Technical teams should review the Linux kernel patch notes and ACPICA documentation to understand the changes

Defensive priority

Verify Linux kernel versions and ACPICA updates to ensure OEM ID and Table ID validation is enhanced.

Recommended defensive actions

  • Verify Linux kernel versions and ACPICA updates
  • Review system configurations for OEM ID and Table ID validation
  • Apply patches or updates provided by the Linux kernel maintainers
  • Monitor system logs for potential buffer overflow attempts
  • Conduct regular security audits to ensure compliance with enhanced validation rules

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional verification is needed to confirm affected versions and remediation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-97447 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-97447

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-97447 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-97447

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/485829e6999b7909f50761a1c708660304edc945

    416baaa9-dc9f-4396-8d5f-8c081fb06d67

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/d15c574022e0944f651759f567a9eef61e7b93ca

    416baaa9-dc9f-4396-8d5f-8c081fb06d67

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.