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PatchSiren cyber security CVE debrief

CVE-2026-64237 Linux CVE debrief

A Linux kernel vulnerability was resolved, affecting the elan_i2c input module. The vulnerability involves improper validation of firmware size before use, potentially leading to out-of-bounds reads. This issue has significant implications for Linux kernel users and maintainers, who must review and apply patches to prevent potential out-of-bounds reads in the elan_i2c input module. The vulnerability highlights the importance of validating firmware size to prevent memory access issues.

Vendor
Linux
Product
Unknown
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-24
Original CVE updated
2026-08-12
Advisory published
2026-07-24
Advisory updated
2026-08-12

Who should care

Linux kernel users, maintainers, and security teams should review and apply patches to prevent potential out-of-bounds reads in the elan_i2c input module. This vulnerability affects Linux kernel deployments that utilize the elan_i2c input module. Operators and platform administrators must prioritize patching to mitigate potential security risks.

Technical summary

The Linux kernel vulnerability, tracked as CVE-2026-64237, was found in the elan_i2c input module. The issue arises from a lack of validation of the firmware size before accessing it, which could result in out-of-bounds reads. This vulnerability has been resolved through targeted patches that ensure proper firmware size validation. Linux kernel users and maintainers should review and apply these patches to prevent potential out-of-bounds reads.

Defensive priority

Apply patches to the elan_i2c input module to prevent potential out-of-bounds reads. Prioritize patching based on system exposure and potential impact.

Recommended defensive actions

  • Apply patches to the Linux kernel elan_i2c input module
  • Review and update Linux kernel dependencies
  • Monitor Linux kernel updates for further patches
  • Verify Linux kernel elan_i2c input module patching
  • Review system exposure and compensating controls
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record was published on 2026-07-24T16:16:52.960Z and last modified on 2026-07-27T05:16:37.150Z. The NVD entry is currently Received. Evidence is limited to CVE and NVD details. Defenders should verify Linux kernel elan_i2c input module patching and review system exposure.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-64237 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-64237

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

  • CVE-2026-64237 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-64237

    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/331d49b4e1c9efe4479bbd22922dfcdd8c64be7b

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

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb

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

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/47b52b98edfe34d0249e72f815215ef24311c3a3

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

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/48b0aa9c08a3ac8e0c0345b7ca581f552324e460

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

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634

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

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/bf769358419e00344c1b16fa034d058f563d46a1

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

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/c2c3b33b3c0bf2c9427c0926817ef5ffac50de6f

    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.