SB2025121098 - NULL pointer dereference in Linux kernel mpi
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121098
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-2023-53817)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mpi_cmp_ui() function in lib/mpi/mpi-cmp.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/0fc7147c694394f8a8cbc19570c6bc918cac0906
- https://git.kernel.org/stable/c/12ac013ad7ff0df066451e825801d805095b3776
- https://git.kernel.org/stable/c/61f5453e9706e99713825594e0c8f9031485fb5f
- https://git.kernel.org/stable/c/67589d247909043e94d2dd5fb590958e0f99d58d
- https://git.kernel.org/stable/c/9e47a758b70167c9301d2b44d2569f86c7796f2d
- https://git.kernel.org/stable/c/ae63e84ffda74267bf7277c38415ba38389229a0
- https://git.kernel.org/stable/c/d3ad023a39f1127dcfd331c562673355dc078650
- https://git.kernel.org/stable/c/fde791e8a96a64ea7b0ad2440e43586447a209c6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.326