SB20250919122 - Buffer overflow in Linux kernel nfsd
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250919122
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-50410)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the nfsd_proc_read() function in fs/nfsd/nfsproc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1868332032eccbab8c1878a0d918193058c0a905
- https://git.kernel.org/stable/c/2007867c5874134f2271eb276398208070049dd3
- https://git.kernel.org/stable/c/2be9331ca6061bc6ea32247266f45b8b21030244
- https://git.kernel.org/stable/c/401bc1f90874280a80b93f23be33a0e7e2d1f912
- https://git.kernel.org/stable/c/ea4c3eee0fd72fcedaa238556044825639cd3607
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17