SB2025072946 - Use of uninitialized resource in Linux kernel comedi driver
Published: July 29, 2025
Security Bulletin ID
SB2025072946
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) Use of uninitialized resource (CVE-ID: CVE-2025-38480)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the insn_rw_emulate_bits() function in drivers/comedi/drivers.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/10f9024a8c824a41827fff1fefefb314c98e2c88
- https://git.kernel.org/stable/c/2af1e7d389c2619219171d23f5b96dbcbb7f9656
- https://git.kernel.org/stable/c/3050d197d6bc9ef128944a70210f42d2430b3000
- https://git.kernel.org/stable/c/3ab55ffaaf75d0c7b68e332c1cdcc1b0e0044870
- https://git.kernel.org/stable/c/e9cb26291d009243a4478a7ffb37b3a9175bfce9