SB2025091893 - Buffer overflow in Linux kernel nilfs2
Published: September 18, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091893
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2023-53337)
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.
Remediation
Install update from vendor's website.
References
- 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