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Vulnerabilities

Vulnerability · CVE-2023-53397

In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in is_executable_section() The > comparison should be >= to prevent an out of bounds arr

Published Sep 18, 2025 · catalog updated May 11, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2023-53397. EPSS is 0.15%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 52dc0595d540155436d91811f929bdc8afd6a2a1 <7ee557590bac154d324de446d1cd0444988bd511

In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in is_executable_section() The > comparison should be >= to prevent an out of bounds array access.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux 52dc0595d540155436d91811f929bdc8afd6a2a1 <7ee557590bac154d324de446d1cd0444988bd51152dc0595d540155436d91811f929bdc8afd6a2a1 <7ee557590bac154d324de446d1cd0444988bd511

How to fix CVE-2023-53397

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-53397. EPSS is 0.15%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux 52dc0595d540155436d91811f929bdc8afd6a2a1 <7ee557590bac154d324de446d1cd0444988bd511 52dc0595d540155436d91811f929bdc8afd6a2a1 <7ee557590bac154d324de446d1cd0444988bd511. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 18, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in is_executable_section() The > comparison should be >= to prevent an out of bounds array access.

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in is_executable_section() The > comparison should be >= to prevent an out of bounds array access.

Sources

  • CVE.orgVulnerability recordCVE-2023-53397

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-53397

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-29955

    In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in is_executable_section() The > comparison should be >= to prevent an out of bounds array access.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.