SB20251216192 - Buffer overflow in Linux kernel core
Published: December 16, 2025
Security Bulletin ID
SB20251216192
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) Buffer overflow (CVE-ID: CVE-2025-68321)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the __page_pool_alloc_pages_slow() function in net/core/page_pool.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/0ec2cd5c58793d0c622797cd5fbe26634b357210
- https://git.kernel.org/stable/c/3671a0775952026228ae44e096eb144bca75f8dc
- https://git.kernel.org/stable/c/7613c06ffa89c1e2266fb532e23ef7dfdf269d73
- https://git.kernel.org/stable/c/9835a0fd59a1df5ec0740fdab6d50db68e0f10de
- https://git.kernel.org/stable/c/ab48dc0e23eb714b3f233f8e8f6deed7df2051f5
- https://git.kernel.org/stable/c/f3b52167a0cb23b27414452fbc1278da2ee884fc