CVE-2023-53704

Local availability loss via probe resource leaks

Published Oct 22, 2025 · Updated Oct 22, 2025

A memory leak in the i.MX8MP clock driver in the Linux kernel allows local users to degrade system availability through resource exhaustion. imx8mp_clocks_probe() used unmanaged mappings and allocations and failed to unregister clock hardware when provider registration returned an error, leaving resources allocated on failure or removal paths. Exposure requires an affected kernel using the i.MX8MP clock driver and reaching a device or driver removal, unload, or failed-registration path; the reported consequence is limited to reduced availability.

CVSS severity4.8
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A memory leak in the i.MX8MP clock driver in the Linux kernel allows local users to degrade system availability through resource exhaustion. imx8mp_clocks_probe() used unmanaged mappings and allocations and failed to unregister clock hardware when provider registration returned an error, leaving resources allocated on failure or removal paths. Exposure requires an affected kernel using the i.MX8MP clock driver and reaching a device or driver removal, unload, or failed-registration path; the reported consequence is limited to reduced availability.

The record

CVE
CVE-2023-53704
Published
Oct 22, 2025
Updated
Oct 22, 2025
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 22, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 22, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.6
  2. Affected versionversion=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <5bcf140e9e6cf76f1f1bd1f489a14ca4d49f9a1a
  3. Affected versionversion=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <6317d0302655f7e854cd4f31e93b47d35cb058bb
  4. Affected versionversion=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <878b02d5f3b56cb090dbe2c70c89273be144087f
  5. Affected versionversion=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <92ce7629a11ae62292e1cfaa6132dab081fc80ee
  6. Affected versionversion=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <bcea444ab4c045864b55d67313833d606676602a
  7. Affected versionversion=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <cb047c13bbf9018693ae31f03a5a26b212d02f13

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.6; version=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <5bcf140e9e6cf76f1f1bd1f489a14ca4d49f9a1a; version=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <6317d0302655f7e854cd4f31e93b47d35cb058bb; version=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <878b02d5f3b56cb090dbe2c70c89273be144087f; version=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <92ce7629a11ae62292e1cfaa6132dab081fc80ee; version=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <bcea444ab4c045864b55d67313833d606676602a; version=9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 <cb047c13bbf9018693ae31f03a5a26b212d02f13

Published CVSS scores

4.8SUSECVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
3.3SUSECVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Endpoint Denial of Service: Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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