CVE-2021-47054

MEDIUM

Linux kernel - Reference Count Leak

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body.

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 14.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (19)
Linux/Linux < 4.9
Linux/Linux 335a127548081322bd2b294d715418648912f20c - 00f6abd3509b1d70d0ab0fbe65ce5685cebed8be
Linux/Linux 335a127548081322bd2b294d715418648912f20c - 3a76ec28824c01b57aa1f0927841d75e4f167cb8
Linux/Linux 335a127548081322bd2b294d715418648912f20c - 6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c
Linux/Linux 335a127548081322bd2b294d715418648912f20c - 94810fc52925eb122a922df7f9966cf3f4ba7391
Linux/Linux 335a127548081322bd2b294d715418648912f20c - a399dd80e697a02cfb23e2fc09b87849994043d9
Linux/Linux 335a127548081322bd2b294d715418648912f20c - a6191e91c10e50bd51db65a00e03d02b6b0cf8c4
Linux/Linux 335a127548081322bd2b294d715418648912f20c - ac6ad7c2a862d682bb584a4bc904d89fa7721af8
Linux/Linux 335a127548081322bd2b294d715418648912f20c - c6f8e0dc8da1cd78d640dee392071cc2326ec1b2
Linux/Linux 4.14.233 - 4.14.*
... and 9 more
Published Feb 29, 2024
Tracked Since Feb 18, 2026