In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be… (CVE-2026-53294)
In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be aliased to the TX channel if it has a different MMIO. This special case needs to be handled when freeing the channels otherwise a double-free occurs.
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-53294, involves an issue in Microsoft software version 3.0 where the mailbox-test component improperly frees a reused channel. The description and technical details are minimal, with no explicit explanation of the impact or exploitation techniques. No patch or remediation information is provided, and no known exploits are reported in the wild.
Potential Impact
The impact of this vulnerability is not explicitly detailed in the available information. Without further technical or vendor advisory data, the exact consequences of the improper freeing of a reused channel cannot be determined.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be… (CVE-2026-53294)
Description
In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be aliased to the TX channel if it has a different MMIO. This special case needs to be handled when freeing the channels otherwise a double-free occurs.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-53294, involves an issue in Microsoft software version 3.0 where the mailbox-test component improperly frees a reused channel. The description and technical details are minimal, with no explicit explanation of the impact or exploitation techniques. No patch or remediation information is provided, and no known exploits are reported in the wild.
Potential Impact
The impact of this vulnerability is not explicitly detailed in the available information. Without further technical or vendor advisory data, the exact consequences of the improper freeing of a reused channel cannot be determined.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-53294
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- 3.1
Threat ID: 6a483cbc27e9c79719d833fe
Added to database: 07/03/2026, 22:50:36 UTC
Last enriched: 07/03/2026, 23:07:02 UTC
Last updated: 07/31/2026, 19:24:48 UTC
Views: 16
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