CVE-2022-49915: mISDN: fix possible memory leak in mISDN_register_device()
In the Linux kernel, the following vulnerability has been resolved:
mISDN: fix possible memory leak in mISDNregisterdevice()
Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's busid string array"), the name of device is allocated dynamically, add putdevice() to give up the reference, so that the name can be freed in kobjectcleanup() when the refcount is 0.
Set device class before putdevice() to avoid null release() function WARN message in devicerelease().
Affected Software
Remediation
Event History
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.