- Vulnerability/
- CVE-2022-49915
CVE-2022-49915: mISDN: fix possible memory leak in mISDN_register_device()
First published: Thu May 01 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible memory leak in mISDN_register_device() Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, add put_device() to give up the reference, so that the name can be freed in kobject_cleanup() when the refcount is 0. Set device class before put_device() to avoid null release() function WARN message in device_release().
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel |
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Reference Links
- https://git.kernel.org/stable/c/d1d1aede313eb2b9a84afd60ff6cfb7c33631e0e
- https://git.kernel.org/stable/c/080aabfb29b2ee9cbb8894a1d039651943d3773e
- https://git.kernel.org/stable/c/a636fc5a7cabd05699b5692ad838c2c7a3abec7b
- https://git.kernel.org/stable/c/2ff6b669523d3b3d253a044fa9636a67d0694995
- https://git.kernel.org/stable/c/e77d213843e67b4373285712699b692f9c743f61
- https://git.kernel.org/stable/c/029d5b7688a2f3a86f2a3be5a6ba9cc968c80e41
- https://git.kernel.org/stable/c/0d4e91efcaee081e919b3c50e875ecbb84290e41
- https://git.kernel.org/stable/c/e7d1d4d9ac0dfa40be4c2c8abd0731659869b297
Frequently Asked Questions
What is the severity of CVE-2022-49915?
CVE-2022-49915 is classified as a medium severity vulnerability due to its potential impact on system stability.
How do I fix CVE-2022-49915?
To fix CVE-2022-49915, update the Linux kernel to a version that includes the patch for this vulnerability.
What software is affected by CVE-2022-49915?
CVE-2022-49915 affects certain versions of the Linux kernel.
What does CVE-2022-49915 exploit?
CVE-2022-49915 potentially exploits a memory leak in the mISDN_register_device function in the Linux kernel.
Is CVE-2022-49915 being actively exploited?
As of now, there have been no public reports of active exploitation of CVE-2022-49915 in the wild.
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