In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the… (CVE-2026-53296)
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.
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-53296, affects Microsoft product version 3.0 and involves the mailbox component where channels are freed upon probe errors. The description and technical details are minimal, with no explicit information on the vulnerability's root cause, exploitation method, or impact. No patch or remediation information is provided, and there are no known exploits in the wild at this time.
Potential Impact
Due to the lack of detailed information, the specific impact of this vulnerability cannot be determined from the provided data. There are no known exploits reported, and no CVSS score is assigned to gauge severity.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or mitigation instructions are provided in the available data.
In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the… (CVE-2026-53296)
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.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-53296, affects Microsoft product version 3.0 and involves the mailbox component where channels are freed upon probe errors. The description and technical details are minimal, with no explicit information on the vulnerability's root cause, exploitation method, or impact. No patch or remediation information is provided, and there are no known exploits in the wild at this time.
Potential Impact
Due to the lack of detailed information, the specific impact of this vulnerability cannot be determined from the provided data. There are no known exploits reported, and no CVSS score is assigned to gauge severity.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or mitigation instructions are provided in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-53296
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- 3.1
Threat ID: 6a483cbc27e9c79719d8340d
Added to database: 07/03/2026, 22:50:36 UTC
Last enriched: 07/03/2026, 23:07:23 UTC
Last updated: 07/31/2026, 19:24:50 UTC
Views: 16
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