CVE-2023-53397
kernel: modpost: fix off by one in is_executable_section()
Severity
ModerateRed Hat Product Security
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 · 4.5CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE-125 · Out-of-bounds Read