SB2025103113 - Memory leak in Linux kernel fs
Published: October 31, 2025
Security Bulletin ID
SB2025103113
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-2025-40105)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the d_alloc() function in fs/dcache.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/20863bb7fbb016379f8227122edfabc5c799bc79
- https://git.kernel.org/stable/c/56094ad3eaa21e6621396cc33811d8f72847a834
- https://git.kernel.org/stable/c/620f3b0ede9c5cb4976cd0457d0b04ad551e5d6b
- https://git.kernel.org/stable/c/7e0c8aaf4e28918abded547a5147c7d52c4af7d2
- https://git.kernel.org/stable/c/8004d4b8cbf1bd68a23c160d57287e177c82cc69
- https://git.kernel.org/stable/c/b5abafd0aa8d7bcb935c8f91e4cfc2f2820759e4
- https://git.kernel.org/stable/c/cebfbf40056a4d858b2a3ca59a69936d599bd209
- https://git.kernel.org/stable/c/eadc49999fa994d6fbd70c332bd5d5051cc42261