CVE-2023-54042
powerpc/64s: Fix VAS mm use after free
Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix VAS mm use after free The refcount on mm is dropped before the coprocessor is detached.
INFO
Published Date :
Dec. 24, 2025, 11:15 a.m.
Last Modified :
Dec. 24, 2025, 11:15 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2023-54042
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
- Detach coprocessor before dropping mm refcount.
- Update kernel to the latest stable version.
- Apply the provided patch for powerpc/64s.
- Reboot the system after applying changes.
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-2023-54042.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-54042 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-2023-54042
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-2023-54042 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-54042 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. 24, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix VAS mm use after free The refcount on mm is dropped before the coprocessor is detached. Added Reference https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251 Added Reference https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad Added Reference https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331 Added Reference https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2 Added Reference https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8