SB2025091939 - Memory leak in Linux kernel ubifs
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091939
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) Memory leak (CVE-ID: CVE-2023-53396)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the create_whiteout() function in fs/ubifs/dir.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/3a36d20e012903f45714df2731261fdefac900cb
- https://git.kernel.org/stable/c/43b2f7d690697182beed6f71aa57b7249d3cfc9c
- https://git.kernel.org/stable/c/517ddc0259d7a7231486bdafde8035c478bc4088
- https://git.kernel.org/stable/c/7e264f67b7d6580eff5c2696961039fd05c69258
- https://git.kernel.org/stable/c/9f565752b328fe53c9e42b7d4e4d89a1da63d738
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.28