CVE-2026-53295
Published Jun 26, 2026
Modified Jun 30, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail gracefully if there is no channel array attached to the mailbox controller. Otherwise the later dereference will cause an OOPS which might not be seen because mailbox controllers might instantiate very early. Remove the comment explaining the obvious while here.
EPSS — Exploit Prediction
0.0018
Probability of exploitation
0.07%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/0f11444271110d9b5bc6316a153c6431abda899c
https://git.kernel.org/stable/c/14aed0d4e58389cc6a88acf8610b12d3e476272b
https://git.kernel.org/stable/c/37792091ab28ba030fd8d61184c47d4d51294170
https://git.kernel.org/stable/c/5cc3300fab262b26c28bc2fc06df693410c3840b
https://git.kernel.org/stable/c/6362c4a7d7e21e68cd9aa04df7cde16befba3a4b
https://git.kernel.org/stable/c/9dd7489943324298bb0f385495795a82f1dd6507
https://git.kernel.org/stable/c/c1aad75595fb67edc7fda8af249d3b886efa1be9
https://git.kernel.org/stable/c/d44872a569b8fbacde457ff2587a775e5004bb79
Frequently Asked Questions
What is CVE-2026-53295? +
In the Linux kernel, the following vulnerability has been resolved:
mailbox: add sanity check for channel array
Fail gracefully if there is no channel array attached to the mailbox
controller. Otherwise the later dereference will cause an OOPS which
might not be seen because mailbox controllers might instantiate very
early. Remove the comment explaining the obvious while here.
How do I check if I'm vulnerable to CVE-2026-53295? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.