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.

Metrics

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 0.00018.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux Subscribe
Linux Kernel Subscribe

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Linux Subscribe
Linux Kernel Subscribe
Advisories
Source ID Title
EUVD EUVD EUVD-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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/02dc8e8bdbe4412cfcf17ee3873e63fa5a55b957 cve-icon cve-icon
https://git.kernel.org/stable/c/3a3f1e573a105328a2cca45a7cfbebabbf5e3192 cve-icon cve-icon
https://git.kernel.org/stable/c/5e0424cd8a44b5f480feb06753cdf4e1f248d148 cve-icon cve-icon
https://git.kernel.org/stable/c/7ee557590bac154d324de446d1cd0444988bd511 cve-icon cve-icon
https://git.kernel.org/stable/c/8b2e77050b91199453bf19d0517b047b7339a9e3 cve-icon cve-icon
https://git.kernel.org/stable/c/cade370efe2f9e2a79ea8587506ffe2b51ac6d2b cve-icon cve-icon
https://git.kernel.org/stable/c/cb0cdca5c979bc34c27602e2039562932c2591a4 cve-icon cve-icon
https://git.kernel.org/stable/c/dd872d5576cc94528f427c7264c2c438928cc6d2 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025091859-CVE-2023-53397-2076@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53397 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53397 cve-icon
History

Wed, 14 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 12 Dec 2025 20:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-193
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

 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'}

Fri, 19 Sep 2025 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Fri, 19 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Thu, 18 Sep 2025 13:45:00 +0000

Type Values Removed Values Added
Description 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.
Title modpost: fix off by one in is_executable_section()
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-01-14T19:03:06.358Z

Reserved: 2025-09-17T14:54:09.738Z

Link: CVE-2023-53397

cve-icon Vulnrichment

Updated: 2026-01-14T19:00:28.371Z

cve-icon NVD

Status : Modified

Published: 2025-09-18T14:15:42.937

Modified: 2026-01-14T19:16:39.283

Link: CVE-2023-53397

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-18T00:00:00Z

Links: CVE-2023-53397 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-09-19T09:36:44Z

Weaknesses