SB2025091641 - Memory leak in Linux kernel nfsd
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091641
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-2023-53241)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nfsd4_encode_operation() function in fs/nfsd/nfs4xdr.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/15a8b55dbb1ba154d82627547c5761cac884d810
- https://git.kernel.org/stable/c/3d0dcada384af22dec764c8374a2997870ec86ae
- https://git.kernel.org/stable/c/65a33135e91e6dd661ecdf1194b9d90c49ae3570
- https://git.kernel.org/stable/c/b11d8162c24af4a351d21e2c804d25ca493305e3
- https://git.kernel.org/stable/c/b623a8e5d38a69a3ef8644acb1030dd7c7bc28b3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.24