SB2025100812 - Memory leak in Linux kernel nvme host driver
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100812
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) Memory leak (CVE-ID: CVE-2023-53670)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nvme_init_ctrl() function in drivers/nvme/host/core.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/2ed9a89192e3192e5fea7ff6475c8722513f325e
- https://git.kernel.org/stable/c/7237c26431cc78e5ec3259f4350f3dd58f6a4319
- https://git.kernel.org/stable/c/7ed5cf8e6d9bfb6a78d0471317edff14f0f2b4dd
- https://git.kernel.org/stable/c/e1379e067b9485e5af03399fe3f0d39bccb023ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39