PT-2022-38077 · Gnu+1 · Debian+2

Published 2022-02-10 · Updated 2022-02-10

BDU

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

Уязвимость функции clk core get parent by index() модуля drivers/clk/clk.c ядра операционной системы Linux связана с разыменованием указателей. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2026-03927

Affected Products

Debian

Linux

Ubuntu

References · 14

• https://cve.org/CVERecord?id=CVE-2021-47647 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-47647 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03927 · Security Note
• https://ubuntu.com/security/CVE-2021-47647 · Vendor Advisory
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2 · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33 · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.110 · Note
• https://lore.kernel.org/linux-cve-announce/2025022648-CVE-2021-47647-febb@gregkh · Note
• https://git.kernel.org/stable/c/5a5576ad405c3c89fc9afb245c4dcc3e412b0aa9 · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19 · Note
• https://git.kernel.org/stable/c/d02b3d4a8c525068bc5cfb4341e0023d8eb82ace · Note
• https://git.kernel.org/stable/c/41e360fa73a4c2f5b78f5ded78a5375b08c206a5 · Note
• https://git.kernel.org/stable/c/8b89c9e68a01a19a1dd689a42aa65d545e931899 · Note
• https://git.kernel.org/linus/bf8f5182b8f59309809b41c1d1730ed9ca6134b1 · Note