Security Advisory

CVE-2023-54168

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-30 12:08:43

Last updated 2026-05-11 19:56:45

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Prevent shift wrapping in set_user_sq_size() The ucmd->log_sq_bb_count variable is controlled by the user so this shift can wrap. Fix it by using check_shl_overflow() in the same way that it was done in commit 515f60004ed9 ("RDMA/hns: Prevent undefined behavior in hns_roce_set_user_sq_size()").

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