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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < fc0089f82c3e36060c2c79156bc2018bfb16b56b
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < 5d4f3d0f64f1016cb78b400a70b67df91fac99b5
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < c494a11da45ad7ec9b0ff216c3e3ace351193bb6
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < 3afca89fae501dbd7421e1777b5b8f033b1d98d0
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < 5c209299b0113e289e238fa5f2e8f00c59f76060
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < 82f6dcea46cf5de65c4ba7283f7c7b34de4a324d
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < 240c71a2aea36a1a4210f911a1c32ea88777e8e4
8ea4484d0c2bb4e2152261943fa1a3522654b1c7 affected < 88ebadbf0deefdaccdab868b44ff70a0a257f473
Linux Linux affected
Version Status Constraints
4.4 affected —
0 unaffected < 4.4
5.10.258 unaffected ≤ 5.10.*
5.15.209 unaffected ≤ 5.15.*
6.1.175 unaffected ≤ 6.1.*
6.6.141 unaffected ≤ 6.6.*
6.12.91 unaffected ≤ 6.12.*
6.18.33 unaffected ≤ 6.18.*
7.0.10 unaffected ≤ 7.0.*
7.1 unaffected ≤ *

No data.

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4 cve-icon
https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0 cve-icon
https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060 cve-icon
https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5 cve-icon
https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d cve-icon
https://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473 cve-icon
https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6 cve-icon
https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b cve-icon
History

Fri, 26 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
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.
Title mailbox: mailbox-test: don't free the reused channel
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-06-26T19:40:52.927Z

Reserved: 2026-06-09T07:44:35.396Z

Link: CVE-2026-53294

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.