SB20250916290 - Infinite loop in Linux kernel io_uring
Published: September 16, 2025
Security Bulletin ID
SB20250916290
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) Infinite loop (CVE-ID: CVE-2025-39816)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the io_kbuf_inc_commit(), io_ring_buffer_select() and io_ring_buffers_peek() functions in io_uring/kbuf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.