CVE-2026-97454 Linux CVE debrief

Who should care

Linux kernel maintainers and users should be aware of this vulnerability and prioritize updating to the patched version to prevent potential out-of-bounds access. The vulnerability requires immediate attention from maintainers and users to prevent potential out-of-bounds access. Linux kernel maintainers and users should review and apply boundary checks in acpi_ps_get_next_field() and monitor for potential out-of-bounds access attempts.

Why it matters

CVE-2026-97454 is a high-severity vulnerability in the Linux kernel that requires immediate attention from maintainers and users. The vulnerability involves adding boundary checks in acpi_ps_get_next_field() to prevent out-of-bounds access. Linux kernel maintainers and users should prioritize updating to the patched version to prevent potential out-of-bounds access.

• Verify Linux kernel version and apply patch to prevent out-of-bounds access
• Monitor for potential out-of-bounds access attempts
• Update incident response plans to include checks for this vulnerability

Technical summary

The Linux kernel vulnerability, tracked as CVE-2026-97454, involves adding boundary checks in acpi_ps_get_next_field() to prevent out-of-bounds access. The CVE has a CVSS score of 7.7 and severity of HIGH. The vulnerability affects the ACPICA component of the Linux kernel and requires immediate attention from maintainers and users to prevent potential out-of-bounds access. Linux kernel maintainers and users should prioritize updating to the patched version to prevent potential out-of-bounds access. The official CVE Program record and NVD detail page offer source-provided CVE metadata and vulnerability assessments.

Defensive priority

Linux kernel maintainers and users should prioritize updating to the patched version to prevent potential out-of-bounds access.

Recommended defensive actions

• Update Linux kernel to the patched version
• Review and apply boundary checks in acpi_ps_get_next_field()
• Monitor for potential out-of-bounds access attempts
• Verify Linux kernel version and apply patch to prevent out-of-bounds access
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 7.7 and severity of HIGH. The official CVE Program record and NVD detail page offer source-provided CVE metadata and vulnerability assessments. Boundary checks were added in acpi_ps_get_next_field() to prevent out-of-bounds access. The CVE has not been modified since its publication on 2026-09-24T17:17:23.823Z.

Sources and references

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.