0.0
NA
CVE-2026-53296
mailbox: mailbox-test: free channels on probe error
Description

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it was allocated with devm.

INFO

Published Date :

June 26, 2026, 7:40 p.m.

Last Modified :

June 26, 2026, 7:40 p.m.

Remotely Exploit :

No

Source :

Linux
Affected Products

The following products are affected by CVE-2026-53296 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
Free allocated channels on probe error to prevent memory leaks and UAF.
  • Apply the Linux kernel patch for mailbox.
  • Free previously obtained channels on probe error.
  • Ensure client structure is removed on devm allocation.

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-2026-53296 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.