SB2025121654 - Memory leak in Linux kernel core
Published: December 16, 2025
Security Bulletin ID
SB2025121654
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-2025-68245)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __netpoll_cleanup() function in net/core/netpoll.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/49c8d2c1f94cc2f4d1a108530d7ba52614b874c2
- https://git.kernel.org/stable/c/4afd4ebbad52aa146838ec23082ba393e426a2bb
- https://git.kernel.org/stable/c/890472d6fbf062e6de7fdd56642cb305ab79d669
- https://git.kernel.org/stable/c/8e6a50edad11e3e1426e4c29e7aa6201f3468ac2
- https://git.kernel.org/stable/c/9a51b5ccd1c79afec1c03a4e1e6688da52597556
- https://git.kernel.org/stable/c/9b0bb18b4b9dc017c1825a2c5e763615e34a1593
- https://git.kernel.org/stable/c/c645693180a98606c430825223d2029315d85e9d
- https://git.kernel.org/stable/c/c79a6d9da29219616b118a3adce9a14cd30f9bd0