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Vulnerability DatabaseCVE-2023-52621
CVE-2023-52621:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2023-52621 is a security vulnerability identified in the Linux kernel, specifically related to the BPF (Berkeley Packet Filter) subsystem. The vulnerability involves the improper checking of rcu_read_lock_trace_held() before calling BPF map helpers (NVD).
Technical details
The vulnerability exists in the Linux kernel's BPF subsystem where there was a missing check for rcu_read_lock_trace_held() before calling BPF map helpers. This issue was discovered and subsequently patched in the kernel codebase (Kernel Git).
Mitigation and workarounds
The vulnerability has been addressed in various Linux distributions, including Ubuntu, through security updates and patches. Ubuntu has released multiple security notices (USN-7166-1, USN-7166-3, USN-6819-4) that include fixes for this vulnerability (Ubuntu Security, Ubuntu Security).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
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