Buffer overflow in Linux kernel - CVE-2023-53337
Published: September 18, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115819
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53337
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the nilfs_segctor_do_construct() and nilfs_segctor_write_out() functions in fs/nilfs2/segment.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53337
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/13f73ef77baa4764dc1ca4fcbae9cade05b83866
- https://git.kernel.org/stable/c/28a65b49eb53e172d23567005465019658bfdb4d
- https://git.kernel.org/stable/c/4005cec6847c06ee191583270b7cdd7e696543cc
- https://git.kernel.org/stable/c/4569a292a84e340e97d178898ad1cfe1a3080a61
- https://git.kernel.org/stable/c/55f7810632f993cff622a0ddbc7c865892294b61
- https://git.kernel.org/stable/c/7c3e662048053802f6b0db3a78e97f4e1f7edc4f
- https://git.kernel.org/stable/c/a73201c607d8e506358d60aafddda4246bdd9350
- https://git.kernel.org/stable/c/bd89073fc7a5d03b1d06b372addbe405e5a925f4
- https://git.kernel.org/stable/c/e9c5412c5972124776c1b873533eb39e287a4dfa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.283