CVE-2026-31651
mmc: vub300: fix NULL-deref on disconnect
Description
In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free.
INFO
Published Date :
April 24, 2026, 3:16 p.m.
Last Modified :
April 24, 2026, 3:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-31651
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
- Deregister controller before dropping driver data reference.
- Apply kernel patches to fix NULL-dereference issues.
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-2026-31651.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-31651 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-2026-31651
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-2026-31651 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-31651 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
Apr. 24, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free. Added Reference https://git.kernel.org/stable/c/517b58e1d067115f80d198feee10192da4c424d0 Added Reference https://git.kernel.org/stable/c/53f2642d77ab5f1f303388bff5500363c6cf962c Added Reference https://git.kernel.org/stable/c/6446516e626ce7c44bdadbcbb3d7677a2c52ce93 Added Reference https://git.kernel.org/stable/c/6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a Added Reference https://git.kernel.org/stable/c/8d09e75759cb2afc0732acfb5a14a93c03805a61 Added Reference https://git.kernel.org/stable/c/ba3b9429de94958dc0060d9816a915dd75c34919 Added Reference https://git.kernel.org/stable/c/c83a282615d8f7ba28cebddd54600b419d562d82 Added Reference https://git.kernel.org/stable/c/dff34ef879c5e73298443956a8b391311ba78d57