CVE-2026-53295
mailbox: add sanity check for channel array
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.
INFO
Published Date :
June 26, 2026, 8:17 p.m.
Last Modified :
July 8, 2026, 3:53 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest stable version.
- Reboot the system after applying the update.
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-2026-53295.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53295 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-2026-53295
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-2026-53295 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53295 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.
-
Initial Analysis by [email protected]
Jul. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:3.18:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.18:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.18:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.18:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.18:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.18:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:3.18:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.141 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.18.1 up to (excluding) 5.10.258 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0f11444271110d9b5bc6316a153c6431abda899c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/14aed0d4e58389cc6a88acf8610b12d3e476272b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/37792091ab28ba030fd8d61184c47d4d51294170 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5cc3300fab262b26c28bc2fc06df693410c3840b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6362c4a7d7e21e68cd9aa04df7cde16befba3a4b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9dd7489943324298bb0f385495795a82f1dd6507 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c1aad75595fb67edc7fda8af249d3b886efa1be9 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d44872a569b8fbacde457ff2587a775e5004bb79 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 26, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': '5cc3300fab262b26c28bc2fc06df693410c3840b', 'versionType': 'git'}, {'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': '0f11444271110d9b5bc6316a153c6431abda899c', 'versionType': 'git'}, {'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': 'd44872a569b8fbacde457ff2587a775e5004bb79', 'versionType': 'git'}, {'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': '14aed0d4e58389cc6a88acf8610b12d3e476272b', 'versionType': 'git'}, {'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': '6362c4a7d7e21e68cd9aa04df7cde16befba3a4b', 'versionType': 'git'}, {'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': '9dd7489943324298bb0f385495795a82f1dd6507', 'versionType': 'git'}, {'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': '37792091ab28ba030fd8d61184c47d4d51294170', 'versionType': 'git'}, {'status': 'affected', 'version': '2b6d83e2b8b7de82331a6a1dcd64b51020a6031c', 'lessThan': 'c1aad75595fb67edc7fda8af249d3b886efa1be9', 'versionType': 'git'}], 'programFiles': ['drivers/mailbox/mailbox.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '3.18'}, {'status': 'unaffected', 'version': '0', 'lessThan': '3.18', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.258', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.209', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.175', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.141', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.91', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.33', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/mailbox/mailbox.c'], 'defaultStatus': 'affected'}] Added 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. Added Reference https://git.kernel.org/stable/c/0f11444271110d9b5bc6316a153c6431abda899c Added Reference https://git.kernel.org/stable/c/14aed0d4e58389cc6a88acf8610b12d3e476272b Added Reference https://git.kernel.org/stable/c/37792091ab28ba030fd8d61184c47d4d51294170 Added Reference https://git.kernel.org/stable/c/5cc3300fab262b26c28bc2fc06df693410c3840b Added Reference https://git.kernel.org/stable/c/6362c4a7d7e21e68cd9aa04df7cde16befba3a4b Added Reference https://git.kernel.org/stable/c/9dd7489943324298bb0f385495795a82f1dd6507 Added Reference https://git.kernel.org/stable/c/c1aad75595fb67edc7fda8af249d3b886efa1be9 Added Reference https://git.kernel.org/stable/c/d44872a569b8fbacde457ff2587a775e5004bb79