CVE-2024-50285

Summary

CVE-2024-50285 is a newly identified vulnerability in the Linux kernel that affects the ksmbd component. This issue arises when the ksmbd service encounters multiple simultaneous SMB (Server Message Block) operations from a client. The vulnerability results in excessive memory consumption due to an exhaustion of the "ksmbd_work_cache". Although the ksmbd service employs a credit mechanism to manage the number of concurrent requests, it is unable to cope with an excessive number of simultaneous SMB operations. The patch for this vulnerability introduces a check to prevent the issue by assuming that each SMB request consumes at least one credit.

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