In the Linux kernel, the following vulnerability has been resolved:
serial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed
Returning an error code from .remove() makes the driver core emit the
little 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 freed
are leaked in this case. Skipping serial8250_unregister_port() has the
potential to keep enough of the UART around to trigger a use-after-free.
So replace the error return (and with it the little helpful error
message) by a more useful error message and continue to cleanup.
Metrics
Affected Vendors & Products
References
History
Fri, 22 Nov 2024 12:00:00 +0000
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Mon, 04 Nov 2024 13:45:00 +0000
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ssvc
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Status: PUBLISHED
Assigner: Linux
Published: 2024-02-23T14:46:19.772Z
Updated: 2025-05-04T12:49:03.340Z
Reserved: 2024-02-20T12:30:33.294Z
Link: CVE-2023-52457

Updated: 2024-08-02T23:03:19.619Z

Status : Modified
Published: 2024-02-23T15:15:08.290
Modified: 2024-11-21T08:39:48.777
Link: CVE-2023-52457

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