SB20250422172 - Buffer overflow in Linux kernel nfsd
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250422172
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-2025-22026)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the nfsd_show() function in fs/nfsd/stats.c, within the nfsd_net_init() function in fs/nfsd/nfsctl.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/6a59b70fe71ec66c0dd19e2c279c71846a3fb2f0
- https://git.kernel.org/stable/c/930b64ca0c511521f0abdd1d57ce52b2a6e3476b
- https://git.kernel.org/stable/c/9d9456185fd5f1891c74354ee297f19538141ead
- https://git.kernel.org/stable/c/e31957a819e60cf0bc9a49408765e6095fd3d046
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.12