CVE-2026-53295

mailbox: add sanity check for channel array

State: Published
Severity: Not scored
Published: Jun 26, 2026
Updated: Oct 15, 2026
Reserved: Jun 9, 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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 5cc3300fab262b26c28bc2fc06df693410c3840bAffected 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 0f11444271110d9b5bc6316a153c6431abda899cAffected 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before d44872a569b8fbacde457ff2587a775e5004bb79Affected 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 14aed0d4e58389cc6a88acf8610b12d3e476272bAffected 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 6362c4a7d7e21e68cd9aa04df7cde16befba3a4bAffected 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 9dd7489943324298bb0f385495795a82f1dd6507Affected 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 37792091ab28ba030fd8d61184c47d4d51294170Affected 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before c1aad75595fb67edc7fda8af249d3b886efa1be9Affected
LinuxLinux	3.18Affected before 3.18Not affected 5.10.258 through 5.10.Not affected 5.15.209 through 5.15.Not affected 6.1.175 through 6.1.Not affected 6.6.141 through 6.6.Not affected 6.12.91 through 6.12.Not affected 6.18.33 through 6.18.Not affected 7.0.10 through 7.0.*Not affected 7.1 and laterNot affected

Product

Versions

LinuxLinux

2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 5cc3300fab262b26c28bc2fc06df693410c3840bAffected
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 0f11444271110d9b5bc6316a153c6431abda899cAffected
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before d44872a569b8fbacde457ff2587a775e5004bb79Affected
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 14aed0d4e58389cc6a88acf8610b12d3e476272bAffected
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 6362c4a7d7e21e68cd9aa04df7cde16befba3a4bAffected
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 9dd7489943324298bb0f385495795a82f1dd6507Affected
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before 37792091ab28ba030fd8d61184c47d4d51294170Affected
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c to before c1aad75595fb67edc7fda8af249d3b886efa1be9Affected

LinuxLinux

3.18Affected
before 3.18Not affected
5.10.258 through 5.10.*Not affected
5.15.209 through 5.15.*Not affected
6.1.175 through 6.1.*Not affected
6.6.141 through 6.6.*Not affected
6.12.91 through 6.12.*Not affected
6.18.33 through 6.18.*Not affected
7.0.10 through 7.0.*Not affected
7.1 and laterNot affected

References

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