CVE-2023-53141
Linux Kernel vulnerability analysis and mitigation

Overview

CVE-2023-53141 is a vulnerability in the Linux kernel's ILA (Identifier Locator Addressing) subsystem, specifically in the ila_xlat_nl_cmd_get_mapping() function. The vulnerability was discovered and disclosed in May 2025, affecting Linux kernel systems (NVD).

Technical details

The vulnerability occurs when ila_xlat_nl_cmd_get_mapping() generates an empty SKB (socket buffer), which triggers a sanity check warning. The issue manifests in the kernel's networking stack, specifically at include/linux/skbuff.h:2527 and net/core/dev.c:4156 (NVD).

Impact

When triggered, the vulnerability can cause system warnings and potential instability in the Linux kernel's networking stack, particularly affecting the ILA subsystem's functionality (NVD).

Mitigation and workarounds

The vulnerability has been addressed in various Linux distributions including Ubuntu 18.04 LTS and 20.04 LTS through kernel updates. Users are advised to update their systems to the patched versions provided by their distributions (Ubuntu Security).

Additional resources


SourceThis report was generated using AI

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