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CVE-2026-64237· NVD / CVE Program· CNA Linux

Input: elan_i2c - validate firmware size before use

Noroxi assessment

Priority: Monitor (action score 28/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.11% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 331d49b4e1c9efe4479bbd22922dfcdd8c64be7b, 3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb, 47b52b98edfe34d0249e72f815215ef24311c3a3.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 331d49b4e1c9efe4479bbd22922dfcdd8c64be7b, 3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb, 47b52b98edfe34d0249e72f815215ef24311c3a3 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

HighCVSS 7.1 · v3.1—No exploit Fix available
Published
Jul 24, 2026
Updated
Oct 24, 2026
EPSS
0.1% · 1th percentile

Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-64237

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel4.0 and later · before 5.10.259
  • linux linux kernel5.11 and later · before 5.15.210
  • linux linux kernel5.16 and later · before 6.1.176
  • linux linux kernel6.2 and later · before 6.6.143
  • linux linux kernel6.7 and later · before 6.12.93
  • linux linux kernel6.13 and later · before 6.18.35
  • linux linux kernel6.19 and later · before 7.0.12
  • linux linux kernel7.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 4.0affected
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before 47b52b98edfe34d0249e72f815215ef24311c3a3affected · git
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before c2c3b33b3c0bf2c9427c0926817ef5ffac50de6faffected · git
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before 331d49b4e1c9efe4479bbd22922dfcdd8c64be7baffected · git
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before 48b0aa9c08a3ac8e0c0345b7ca581f552324e460affected · git
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before 3b37190ad3ded3a15fb1dbfc4f26df520a3e59bbaffected · git
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before bf769358419e00344c1b16fa034d058f563d46a1affected · git
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before d97baee9590edf303b3eca432e61de9320834fe1affected · git
    • bb03bf3f8427a38112819061fc8688999ba02f67 and later · before 76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634affected · git
    • before 4.0not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.176-16.1.176-1
Debian:13linuxbefore 6.12.94-16.12.94-1
Debian:14linuxbefore 7.0.12-17.0.12-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now

Published before and after this one in the same product

  • ← EarlierCVE-2026-64232Jul 24, 2026 · block: recompute nr_integrity_segments in blk_insert_cloned_request
    39Monitor
  • ← EarlierCVE-2026-64235Jul 24, 2026 · x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines
    32Monitor
  • Later →CVE-2026-64241Jul 24, 2026 · gpio: rockchip: teardown bugs and resource leaks
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux331d49b4e1c9efe4479bbd22922dfcdd8c64be7bVendor (CNA)
Linux Linux3b37190ad3ded3a15fb1dbfc4f26df520a3e59bbVendor (CNA)
Linux Linux47b52b98edfe34d0249e72f815215ef24311c3a3Vendor (CNA)
Linux Linux48b0aa9c08a3ac8e0c0345b7ca581f552324e460Vendor (CNA)
Linux Linux76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634Vendor (CNA)
Linux Linuxbf769358419e00344c1b16fa034d058f563d46a1Vendor (CNA)
Linux Linuxc2c3b33b3c0bf2c9427c0926817ef5ffac50de6fVendor (CNA)
Linux Linuxd97baee9590edf303b3eca432e61de9320834fe1Vendor (CNA)
debian:linux6.1.176-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records