SB2025042233 - Memory leak in Linux kernel nfsd
Published: April 22, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025042233
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-2025-22025)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nfs4_alloc_open_stateid() and nfsd_break_one_deleg() functions in fs/nfsd/nfs4state.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/133f5e2a37ce08c82d24e8fba65e0a81deae4609
- https://git.kernel.org/stable/c/230ca758453c63bd38e4d9f4a21db698f7abada8
- https://git.kernel.org/stable/c/63b91c8ff4589f5263873b24c052447a28e10ef7
- https://git.kernel.org/stable/c/9a81cde8c7ce65dd90fb47ceea93a45fc1a2fbd1
- https://git.kernel.org/stable/c/b874cdef4e67e5150e07eff0eae1cbb21fb92da1
- https://git.kernel.org/stable/c/cad3479b63661a399c9df1d0b759e1806e2df3c8
- https://git.kernel.org/stable/c/cdb796137c57e68ca34518d53be53b679351eb86
- https://git.kernel.org/stable/c/d96587cc93ec369031bcd7658c6adc719873c9fd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.134