CVE-2026-64237 - Vulnerability Details

- Input: elan_i2c - validate firmware size before use

Description

In the Linux kernel, the following vulnerability has been resolved:

Input: elan_i2c - validate firmware size before use

Ensure that the firmware file is large enough to contain the expected
number of pages and the signature (which resides at the end of the
firmware blob) before accessing them to prevent potential out-of-bounds
reads.

Published: 2026-07-24

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< 47b52b98edfe34d0249e72f815215ef24311c3a3
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< c2c3b33b3c0bf2c9427c0926817ef5ffac50de6f
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< 331d49b4e1c9efe4479bbd22922dfcdd8c64be7b
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< 48b0aa9c08a3ac8e0c0345b7ca581f552324e460
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< 3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< bf769358419e00344c1b16fa034d058f563d46a1
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< d97baee9590edf303b3eca432e61de9320834fe1
`bb03bf3f8427a38112819061fc8688999ba02f67`	affected	< 76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634

Linux

affected

Version	Status	Constraints
`4.0`	affected	—
`0`	unaffected	< 4.0
`5.10.259`	unaffected	≤ 5.10.*
`5.15.210`	unaffected	≤ 5.15.*
`6.1.176`	unaffected	≤ 6.1.*
`6.6.143`	unaffected	≤ 6.6.*
`6.12.93`	unaffected	≤ 6.12.*
`6.18.35`	unaffected	≤ 6.18.*
`7.0.12`	unaffected	≤ 7.0.*
`7.1`	unaffected	≤ *

No data.

Vendor Product Confidence Versions

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,47b52b98edfe34d0249e72f815215ef24311c3a3)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,331d49b4e1c9efe4479bbd22922dfcdd8c64be7b)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,48b0aa9c08a3ac8e0c0345b7ca581f552324e460)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,c2c3b33b3c0bf2c9427c0926817ef5ffac50de6f)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,bf769358419e00344c1b16fa034d058f563d46a1)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,d97baee9590edf303b3eca432e61de9320834fe1)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634)`	affected	code_commit	—
`[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,c2c3b33b3c0bf2c9427c0926817ef5ffac50de6f)`	affected	code_commit	—
`[0,5.10.259)`	affected	semver	—
`[0,5.15.210)`	affected	semver	—
`[0,6.1.176)`	affected	semver	—
`[0,6.6.143)`	affected	semver	—
`[0,6.12.93)`	affected	semver	—
`[0,6.18.35)`	affected	semver	—
`[0,7.0.12)`	affected	semver	—

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`[5.10.259,5.10.*)`	unaffected	generic	—
`[5.15.210,5.15.*)`	unaffected	generic	—
`[6.1.176,6.1.*)`	unaffected	generic	—
`[6.6.143,6.6.*)`	unaffected	generic	—
`[6.12.93,6.12.*)`	unaffected	generic	—
`[6.18.35,6.18.*)`	unaffected	generic	—
`[7.0.12,7.0.*)`	unaffected	generic	—
`[7.1,*]`	unaffected	generic	—

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
Ubuntu USN	USN-8618-1	Linux kernel vulnerabilities

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00165.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/331d49b4e1c9efe4479bbd22922dfcdd8c64be7b
https://git.kernel.org/stable/c/3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb
https://git.kernel.org/stable/c/47b52b98edfe34d0249e72f815215ef24311c3a3
https://git.kernel.org/stable/c/48b0aa9c08a3ac8e0c0345b7ca581f552324e460
https://git.kernel.org/stable/c/76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634
https://git.kernel.org/stable/c/bf769358419e00344c1b16fa034d058f563d46a1
https://git.kernel.org/stable/c/c2c3b33b3c0bf2c9427c0926817ef5ffac50de6f
https://git.kernel.org/stable/c/d97baee9590edf303b3eca432e61de9320834fe1
https://lore.kernel.org/linux-cve-announce/2026072440-CVE-2026-64237-3f9f@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-64237
https://www.cve.org/CVERecord?id=CVE-2026-64237

History

Tue, 28 Jul 2026 16:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-125
References		https://lore.kernel.org/linux-cve-announce/2026072440-CVE-2026-64237-3f9f@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2026-64237 https://www.cve.org/CVERecord?id=CVE-2026-64237
Metrics	threat_severity `None`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Low`

Sun, 26 Jul 2026 03:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-119

Fri, 24 Jul 2026 18:30:00 +0000

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: Input: elan_i2c - validate firmware size before use Ensure that the firmware file is large enough to contain the expected number of pages and the signature (which resides at the end of the firmware blob) before accessing them to prevent potential out-of-bounds reads.
Title		Input: elan_i2c - validate firmware size before use
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/331d49b4e1c9efe4479bbd22922dfcdd8c64be7b https://git.kernel.org/stable/c/3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb https://git.kernel.org/stable/c/47b52b98edfe34d0249e72f815215ef24311c3a3 https://git.kernel.org/stable/c/48b0aa9c08a3ac8e0c0345b7ca581f552324e460 https://git.kernel.org/stable/c/76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634 https://git.kernel.org/stable/c/bf769358419e00344c1b16fa034d058f563d46a1 https://git.kernel.org/stable/c/c2c3b33b3c0bf2c9427c0926817ef5ffac50de6f https://git.kernel.org/stable/c/d97baee9590edf303b3eca432e61de9320834fe1

Subscriptions

Linux Linux Kernel

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-07-24T15:27:41.937Z

Updated: 2026-07-27T04:37:26.944Z

Reserved: 2026-07-19T15:36:31.771Z

Link: CVE-2026-64237

Vulnrichment

No data.

NVD

No data.

Redhat

Severity : Low

Publid Date: 2026-07-24T00:00:00Z

Links: CVE-2026-64237 - Bugzilla

OpenCVE Enrichment

Updated: 2026-07-26T03:15:17Z

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-125
Out-of-bounds Read

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Subscriptions

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