PT-2024-11241 · Linux+1 · Linux Kernel+1

Axel Lin · Published 2021-06-03 · Updated 2024-12-30 · CVE-2021-47233

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 issue has been resolved in the Linux kernel. The issue occurs when priv->enable gpios is NULL, which can happen if devm gpiod get array optional returns NULL due to no GPIO being assigned.

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

BDU:2025-07372

CVE-2021-47233

Affected Products

Astra Linux

Linux Kernel

References · 19

• https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47233 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-47233 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47233 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47233 · Vendor Advisory
• https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1 · Patch
• https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 · Patch
• https://cve.org/CVERecord?id=CVE-2021-47233 · Security Note
• https://bdu.fstec.ru/vul/2025-07372 · Security Note
• https://ubuntu.com/security/CVE-2021-47233 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47233 · Vendor Advisory
• https://git.kernel.org/linus/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 · Note
• https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1&id=ba8a26a7ce8617f9f3d6230de34b2302df086b41 · Note
• https://t.me/cvenotify/105788 · Telegram Post
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.46 · Note