CVE-2022-49421
Linux Kernel: fbdev clcdfb Refcount Leak
Description
In the Linux kernel, the following vulnerability has been resolved: video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
Feb. 26, 2025, 7:01 a.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-49421.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2022-49421 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49421 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 26, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Added Reference https://git.kernel.org/stable/c/2e2e2c71b2642289438392edbf5d08cdbc0b138b Added Reference https://git.kernel.org/stable/c/38d245cebf545338a6bc1c7762023de3fbecd7b7 Added Reference https://git.kernel.org/stable/c/51eb1bb6baeb478538dd4ec6459fd68c44a855b1 Added Reference https://git.kernel.org/stable/c/6c92711db7c90f78e0b67ac2a8944d0fe7e12d83 Added Reference https://git.kernel.org/stable/c/8db59df7f5826e104db82cfddbf22a33a151193e Added Reference https://git.kernel.org/stable/c/b23789a59fa6f00e98a319291819f91fbba0deb8 Added Reference https://git.kernel.org/stable/c/bbb2a24e863b6a10129546a0a4ceea2f07deec39 Added Reference https://git.kernel.org/stable/c/c1c4405222b6fc98c16e8c2aa679c14e41d81465 Added Reference https://git.kernel.org/stable/c/f2dfb4ab887d67be7d0892ba041d3c8d738d3356
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49421 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-49421
weaknesses.