PT-2026-39017 · Linux · Linux Kernel

Published 2026-05-08 · Updated 2026-05-15 · CVE-2026-43356

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 NULL pointer dereference occurs in the adis init() function. The function attempts to dereference adis->ops to verify if specific function pointers (write, read, reset) are NULL without first confirming that adis->ops itself is not NULL. In drivers such as adis16480, adis16490, and adis16545, which rely on default assignments and use a zero-initialized struct adis from devm iio device alloc(), this leads to a system crash when adis init() is called.

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-2026-43356

Affected Products

Linux Kernel

References · 13

• https://security-tracker.debian.org/tracker/CVE-2026-43356 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43356 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-43356 · Security Note
• https://ubuntu.com/security/CVE-2026-43356 · Vendor Advisory
• https://git.kernel.org/stable/c/9990cd4f8827bd1ae3fb6eb7407630d8d463c430 · Patch
• https://git.kernel.org/stable/c/ba19dd366528b961430f5195c2e382420703074f · Patch
• https://git.kernel.org/stable/c/1a48f94c63a078e7b6a2e59a637fc0858dc6510c · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-43356 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43356 · Vendor Advisory
• https://git.kernel.org/linus/9990cd4f8827bd1ae3fb6eb7407630d8d463c430 · Note
• https://twitter.com/hetmehtaa/status/2055151398283837677 · Twitter Post
• https://twitter.com/CVEnew/status/2052811015276880202 · Twitter Post
• https://t.me/cveNotify/163637 · Telegram Post