CVE-2025-40264NULL Pointer Dereference in Linux

Severity
7.8HIGHOSV
OSV7.2OSV3.2
No vector
EPSS
0.1%
top 78.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 4
Latest updateApr 13

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().

Affected Packages8 packages

🔴Vulnerability Details

24
OSV
linux-oem-6.17 vulnerabilities2026-04-06
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-raspi, linux-raspi-realtime vulnerabilities2026-04-01
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-azure, linux-azure-6.17 vulnerabilities2026-03-25

📋Vendor Advisories

27
Ubuntu
Linux kernel (Azure) vulnerabilities2026-04-13
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (OEM) vulnerabilities2026-04-06
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01