CVE-2025-40264
Deferred Deferred - Pending Action
BaseFortify

Publication date: 2025-12-04

Last updated on: 2026-06-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: be2net: pass wrb_params in case of OS2BMC be_insert_vlan_in_pkt() is called with the wrb_params argument being NULL at be_send_pkt_to_bmc() call site.  This may lead to dereferencing a NULL pointer when processing a workaround for specific packet, as commit bc0c3405abbb ("be2net: fix a Tx stall bug caused by a specific ipv6 packet") states. The correct way would be to pass the wrb_params from be_xmit().
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Meta Information
Published
2025-12-04
Last Modified
2026-06-02
Generated
2026-06-16
AI Q&A
2025-12-04
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40264
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability in the Linux kernel involves the be2net driver where the function be_insert_vlan_in_pkt() is called with a NULL wrb_params argument at the be_send_pkt_to_bmc() call site. This can lead to a NULL pointer dereference when processing certain packets, specifically as part of a workaround for a specific IPv6 packet. The issue arises because the wrb_params should be passed correctly from be_xmit(), but it is not, causing potential kernel instability or crashes.

Impact Analysis

The vulnerability can cause a NULL pointer dereference in the Linux kernel's be2net driver, which may lead to kernel crashes or instability when processing specific packets. This can result in denial of service or system outages on affected systems using this driver.

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