Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.18, < 4.4.286 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221aPatch
- https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666Patch
- https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900cPatch
- https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562Patch
- https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69Patch
- https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27Patch
- https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6Patch
- https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92bPatch
- https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221aPatch
- https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666Patch
- https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900cPatch
- https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562Patch
- https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69Patch
- https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27Patch
- https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6Patch
FAQ
What is CVE-2021-47403?
CVE-2021-47403 is a vulnerability with a CVSS score of 7.1 (HIGH). In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once whe...
How severe is CVE-2021-47403?
CVE-2021-47403 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47403?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.