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Vulnerability DatabaseCVE-2025-37825
CVE-2025-37825:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-37825 is a vulnerability discovered in the Linux kernel's NVMe target subsystem, specifically related to an out-of-bounds access in nvmetenableport. The vulnerability was disclosed on May 8, 2025, affecting various Linux distributions and their kernel implementations (NVD, Wiz).
Technical details
The vulnerability occurs when nvmetenableport() uses NVMFTRTYPEMAX (255) to query the transports array, causing an out-of-bounds access. This issue manifests with error messages including 'BUG: KASAN: global-out-of-bounds in nvmetenableport+0x42/0x1da' and 'Read of size 8 at addr ffffffff89dafa58'. The root cause traces back to commit 200adac75888, where NVMFTRTYPEMAX became the default state as configured by nvmetportsmake() (NVD, Red Hat).
Impact
The vulnerability leads to an out-of-bounds access in the Linux kernel's NVMe target subsystem, which could potentially result in system instability or information disclosure (Wiz).
Mitigation and workarounds
The fix involves checking for NVMFTRTYPEMAX before proceeding with the operation. This prevents the out-of-bounds access by validating the transport type before attempting to access the transports array (NVD).
Additional resources
Source: This report was generated using AI
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