What’s Vulnerable › Vulnerabilities

CVE-2025-68197: bnxt_en: Fix null pointer dereference in bnxt_bs_trace_check_wrap()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-16 · updated 2026-10-14

Description

In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Fix null pointer dereference in bnxt_bs_trace_check_wrap() With older FW, we may get the ASYNC_EVENT_CMPL_EVENT_ID_DBG_BUF_PRODUCER for FW trace data type that has not been initialized. This will result in a crash in bnxt_bs_trace_type_wrap(). Add a guard to check for a valid magic_byte pointer before proceeding.

Affected products

• Linux kernel: 6.13 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/689ae5ba31293eebb7f21c0ef8939468ac72b5ce
• https://git.kernel.org/stable/c/ff02be05f78399c766be68ab0b2285ff90b2aaa8

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