SB2025121094 - NULL pointer dereference in Linux kernel md driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121094
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-2023-53832)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the raid10_sync_request() function in drivers/md/raid10.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/14964127be77884003976a392c9faa9ebaabbbe1
- https://git.kernel.org/stable/c/38d33593260536840b49fd1dcac9aedfd14a9d42
- https://git.kernel.org/stable/c/68695084077e3de9d3e94e09238ace2b6f246446
- https://git.kernel.org/stable/c/99b503e4edc5938885d839cf0e7571963f75d800
- https://git.kernel.org/stable/c/9e9efc77efd1956cc244af975240f2513d78a371
- https://git.kernel.org/stable/c/a405c6f0229526160aa3f177f65e20c86fce84c5
- https://git.kernel.org/stable/c/b50fd1c3d9d0175aa29ff2706ef36cc178bc356a
- https://git.kernel.org/stable/c/bdbf104b1c91fbf38f82c522ebf75429f094292a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.180