CVE-2026-53294
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
26/06/2026
Last modified:
30/06/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
mailbox: mailbox-test: don&#39;t free the reused channel<br />
<br />
The RX channel can be aliased to the TX channel if it has a different<br />
MMIO. This special case needs to be handled when freeing the channels<br />
otherwise a double-free occurs.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4
- https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0
- https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060
- https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5
- https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d
- https://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473
- https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6
- https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b