CVE-2023-53397 — Off-by-one Error in Linux

CWE-193 — Off-by-one ErrorCWE-125 — Out-of-bounds Read5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 18

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel4.1 — 4.14.322+6
▶Debianlinux/linux_kernel< 5.10.191-1+3
▶CVEListV5linux/linux52dc0595d540155436d91811f929bdc8afd6a2a1 — 7ee557590bac154d324de446d1cd0444988bd511+8
▶debiandebian/linux< linux 6.1.52-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-4c73-vgp7-gjq5: In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in is_executable_section() The > comparison should be >=↗2025-09-18
▶
OSV
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 >= t↗2025-09-18
▶

📋Vendor Advisories

2
Red Hat
kernel: modpost: fix off by one in is_executable_section()↗2025-09-18
▶
Debian
CVE-2023-53397: linux - In the Linux kernel, the following vulnerability has been resolved: modpost: fi...↗2023
▶
CVE-2023-53397 — Off-by-one Error in Linux | cvebase