PT-2025-49094 · Linux+3 · Linux Kernel+3

Published

2025-11-19

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Updated

2026-05-07

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CVE-2025-40264

CVSS v2.0

5.5

Medium

VectorAV:A/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A flaw exists in the Linux kernel's be2net component where the be insert vlan in pkt() function 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 related to a workaround for a specific IPv6 packet as addressed by commit bc0c3405abbb. The issue occurs when handling OS2BMC scenarios.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-71404
BDU:2025-15939
CVE-2025-40264
DLA-4404-1
ECHO-B32B-6026-5B61
MGASA-2026-0017
MGASA-2026-0018
OESA-2026-1303
OESA-2026-1304
OESA-2026-1305
OPENSUSE-SU-2026:20145-1
SUSE-SU-2026:0447-1
SUSE-SU-2026:0472-1
SUSE-SU-2026:0473-1
SUSE-SU-2026:0587-1
SUSE-SU-2026:20207-1
SUSE-SU-2026:20220-1
SUSE-SU-2026:20228-1
SUSE-SU-2026:20477-1
SUSE-SU-2026:20498-1
SUSE-SU-2026:20845-1
SUSE-SU-2026:20876-1
USN-8094-1
USN-8094-2
USN-8094-3
USN-8094-4
USN-8094-5
USN-8095-1
USN-8095-2
USN-8095-3
USN-8095-4
USN-8095-5
USN-8096-1
USN-8096-2
USN-8096-3
USN-8096-4
USN-8096-5
USN-8100-1
USN-8116-1
USN-8125-1
USN-8126-1
USN-8141-1
USN-8152-1
USN-8163-1
USN-8163-2
USN-8165-1
USN-8243-1
USN-8261-1

Affected Products

Debian
Linuxmint
Linux Kernel
Ubuntu