bnx2x: fix double free in bnx2x_init_firmware() error path

In the Linux kernel, the following vulnerability has been resolved: bnx2x: fix double free in bnx2x_init_firmware() error path bnx2x_init_firmware() frees bp->init_ops, bp->init_data and bp->init_ops_offsets in its error path without setting them to NULL. The cleanup function bnx2x_release_firmware() frees the same three pointers unconditionally, so if init_firmware fails and release_firmware is later called (e.g. from __bnx2x_remove or through the function state machine), all three are freed a second time. Set each pointer to NULL after kfree() in the error path so that the subsequent kfree(NULL) in bnx2x_release_firmware() is a safe no-op.

Source published

11 Sep 2026 19:44:48 UTC

Source modified

19 Oct 2026 08:49:15 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

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