cve/2023/CVE-2023-52457.md

### [CVE-2023-52457](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52457)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=2d66412563ef%3C%20b502fb43f7fb%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In the Linux kernel, the following vulnerability has been resolved:serial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failedReturning an error code from .remove() makes the driver core emit thelittle helpful error message:	remove callback returned a non-zero value. This will be ignored.and then remove the device anyhow. So all resources that were not freedare leaked in this case. Skipping serial8250_unregister_port() has thepotential to keep enough of the UART around to trigger a use-after-free.So replace the error return (and with it the little helpful errormessage) by a more useful error message and continue to cleanup.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds