Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-37824
CVE-2025-37824:
Linux Kernel vulnerability analysis and mitigation
Overview
In the Linux kernel, a NULL pointer dereference vulnerability was discovered in the tipcmonreinit_self() function. The vulnerability was reported by syzbot and assigned CVE-2025-37824. The issue was identified in Linux kernel version 6.15.0-rc1 and affects the TIPC (Transparent Inter-Process Communication) subsystem (NVD).
Technical details
The vulnerability occurs due to a racing condition between a workqueue created when enabling bearer and another thread created when disabling bearer. When the bearer is disabled, tipcmondelete() sets mon->self to NULL. However, tipcmonreinit_self() attempts to access mon->self->addr without proper synchronization, leading to a NULL pointer dereference. This condition can trigger a general protection fault at address 0xdffffc0000000000 (NVD).
Impact
The NULL pointer dereference can lead to a kernel crash, resulting in a denial of service condition. This affects the stability and availability of systems using the TIPC subsystem (NVD).
Mitigation and workarounds
The vulnerability has been fixed in the Linux kernel through a patch that addresses the NULL pointer dereference in tipcmonreinit_self(). Users should update to the patched version of the kernel when available (NVD).
Additional resources
Source: This report was generated using AI
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