SB2025090835 - Memory leak in Linux kernel comedi driver
Published: September 8, 2025
Security Bulletin ID
SB2025090835
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-2025-39684)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the do_insnlist_ioctl() and do_insn_ioctl() functions in drivers/comedi/comedi_fops.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/3cd212e895ca2d58963fdc6422502b10dd3966bb
- https://git.kernel.org/stable/c/868a1b68dcd9f2805bb86aa64862402f785d8c4a
- https://git.kernel.org/stable/c/aecf0d557ddd95ce68193a5ee1dc4c87415ff08a
- https://git.kernel.org/stable/c/d84f6e77ebe3359394df32ecd97e0d76a25283dc
- https://git.kernel.org/stable/c/f3b0c9ec54736f3b8118f93a473d22e11ee65743
- https://git.kernel.org/stable/c/ff4a7c18799c7fe999fa56c5cf276e13866b8c1a