CVE-2022-50843
dm clone: Fix UAF in clone_dtr()
Description
In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clone_dtr() Dm_clone also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in clone_dtr().
INFO
Published Date :
Dec. 30, 2025, 1:15 p.m.
Last Modified :
Dec. 30, 2025, 1:15 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2022-50843
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply the patch for dm clone timer cancellation.
- Recompile the Linux kernel.
- Update the system to the patched version.
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-2022-50843.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-50843 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-2022-50843
weaknesses.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-50843 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-50843 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
Dec. 30, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clone_dtr() Dm_clone also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in clone_dtr(). Added Reference https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd Added Reference https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e Added Reference https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec Added Reference https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff Added Reference https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed Added Reference https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94