SB2026011413 - Memory leak in Linux kernel io_uring
Published: January 14, 2026
Security Bulletin ID
SB2026011413
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-2025-68814)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __io_openat_prep() function in io_uring/openclose.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/18b99fa603d0df5e1c898699c17d3b92ddc80746
- https://git.kernel.org/stable/c/7fbfb85b05bc960cc50e09d03e5e562131e48d45
- https://git.kernel.org/stable/c/8f44c4a550570cd5903625133f938c6b51310c9b
- https://git.kernel.org/stable/c/b14fad555302a2104948feaff70503b64c80ac01
- https://git.kernel.org/stable/c/e232269d511566b1f80872256a48593acc1becf4