CVE-2026-23084NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 4
Latest updateApr 17

Description

In the Linux kernel, the following vulnerability has been resolved: be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list When the parameter pmac_id_valid argument of be_cmd_get_mac_from_list() is set to false, the driver may request the PMAC_ID from the firmware of the network card, and this function will store that PMAC_ID at the provided address pmac_id. This is the contract of this function. However, there is a location within the driver where both pmac_id_valid == false and pm

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages12 packages

NVDlinux/linux_kernel3.125.10.249+6
Debianlinux/linux_kernel< 5.10.249-1+3
CVEListV5linux/linux95046b927a54f461766f83a212c6a93bc5fd2e674cba480c9b9a3861a515262225cb53a1f5978344+7
debiandebian/linux< linux 6.1.162-1 (bookworm)
debiandebian/linux-6.1< linux 6.1.162-1 (bookworm)

Patches

🔴Vulnerability Details

2
OSV
CVE-2026-23084: In the Linux kernel, the following vulnerability has been resolved: be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list When the paramete2026-02-04
GHSA
GHSA-2j82-cf92-x9qh: In the Linux kernel, the following vulnerability has been resolved: be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list When the parame2026-02-04

📋Vendor Advisories

8
Ubuntu
Linux kernel (HWE) vulnerabilities2026-04-17
Ubuntu
Linux kernel (NVIDIA) vulnerabilities2026-04-17
Ubuntu
Linux kernel (FIPS) vulnerabilities2026-04-17
Ubuntu
Linux kernel (Real-time) vulnerabilities2026-04-17
Ubuntu
Linux kernel vulnerabilities2026-04-16

🕵️Threat Intelligence

1
Wiz
CVE-2026-23084 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-23084 — NULL Pointer Dereference in Linux | cvebase