CVE Database›Document archive›CVE-2023-53397

CVE-2023-53397

kernel: modpost: fix off by one in is_executable_section()

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Severity

Moderate

Red Hat Product Security

4.5

CVSS 3.1

Review impact separately from score.

Published · September 18, 2025

Updated · June 30, 2026

Description

A flaw was exist's in the Linux kernel’s module-post processing component, in the function is_executable_section(). Due to an off-by-one error (using > instead of >=), the code may perform an out-of-bounds array access.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 4.5
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE-125 · Out-of-bounds Read