Server Vulnerability in Linux Kernel Affects Proposal Message Handling

CVE-2024-49568

Summary

A vulnerability exists in the Linux kernel's handling of proposal messages where certain fields, specifically v2_ext_offset, eid_cnt, and ism_gid_cnt, are derived from untrusted remote client inputs. If these fields are not rigorously checked, they can lead to potential access of incorrect memory addresses, resulting in system crashes. The recent patch introduces validations for these fields before processing, mitigating the risk of exploitation and enhancing the integrity of server operations.

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