PT-2026-37622 · Linux · Linux Kernel

Published 2026-05-06 · Updated 2026-05-06 · CVE-2026-43282

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A potential NULL pointer dereference exists in the RDMA/ionic component. The function ionic query port() calls ib device get netdev() without verifying the return value, which can lead to a system crash if the ndev variable is NULL.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-43282

Affected Products

Linux Kernel

References · 11

• https://git.kernel.org/stable/c/81932a46dfd0db10a03f46f0b1c7ef946ac4552f · Patch
• https://cve.org/CVERecord?id=CVE-2026-43282 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43282 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43282 · Security Note
• https://ubuntu.com/security/CVE-2026-43282 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43282 · Vendor Advisory
• https://git.kernel.org/stable/c/2b96156c927cd83c109e2e3946e6111dce73231f · Patch
• https://git.kernel.org/stable/c/fd80bd7105f88189f47d465ca8cb7d115570de30 · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-43282 · Vendor Advisory
• https://git.kernel.org/linus/fd80bd7105f88189f47d465ca8cb7d115570de30 · Note
• https://t.me/CVEtracker/52857 · Telegram Post