CVE-2024-56718

Summary

CVE-2024-56718 is a vulnerability affecting the Linux kernel where the net/smc module fails to properly protect against executing link down work after it has been freed. This issue can lead to a crash due to list_del corruption, specifically with prev->next being 0 instead of the expected value. The vulnerability can result in an invalid opcode error and kernel panic. The affected workqueue is smc and the relevant call stack indicates the issue occurs during the execution of smc_link_down_work. System administrators are advised to update their Linux kernels to address this issue.

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