SB2025100156 - NULL pointer dereference in Linux kernel mm
Published: October 1, 2025
Security Bulletin ID
SB2025100156
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) NULL pointer dereference (CVE-ID: CVE-2025-39902)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the object_err() function in mm/slub.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/0ef7058b4dc6fcef622ac23b45225db57f17b83f
- https://git.kernel.org/stable/c/1f0797f17927b5cad0fb7eced422f9a7c30a3191
- https://git.kernel.org/stable/c/3baa1da473e6e50281324ff1d332d1a07a3bb02e
- https://git.kernel.org/stable/c/7e287256904ee796c9477e3ec92b07f236481ef3
- https://git.kernel.org/stable/c/872f2c34ff232af1e65ad2df86d61163c8ffad42
- https://git.kernel.org/stable/c/b4efccec8d06ceb10a7d34d7b1c449c569d53770
- https://git.kernel.org/stable/c/dda6ec365ab04067adae40ef17015db447e90736
- https://git.kernel.org/stable/c/f66012909e7bf383fcdc5850709ed5716073fdc4