SB20250919107 - NULL pointer dereference in Linux kernel md driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250919107
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-2023-53380)
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/144c7fd008e0072b0b565f1157eec618de54ca8a
- https://git.kernel.org/stable/c/222cc459d59857ee28a5366dc225ab42b22f9272
- https://git.kernel.org/stable/c/2990e2ece18dd4cca71b3109c80517ad94adb065
- https://git.kernel.org/stable/c/34817a2441747b48e444cb0e05d84e14bc9443da
- https://git.kernel.org/stable/c/45fa023b3334a7ae6f6c4eb977295804222dfa28
- https://git.kernel.org/stable/c/b5015b97adda6a24dd3e713c63e521ecbeff25c6
- https://git.kernel.org/stable/c/f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121