Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: fddi: fix UAF in fza_probe fp is netdev private data and it cannot be used after free_netdev() call. Using fp after free_netdev() can cause UAF bug. Fix it by moving free_netdev() after error message. TURBOchannel adapter")
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.20, < 5.4.135 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317eePatch
- https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47Patch
- https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9Patch
- https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccfPatch
- https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317eePatch
- https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47Patch
- https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9Patch
- https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccfPatch
FAQ
What is CVE-2021-47306?
CVE-2021-47306 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: net: fddi: fix UAF in fza_probe fp is netdev private data and it cannot be used after free_netdev() call. Using fp after free_netd...
How severe is CVE-2021-47306?
CVE-2021-47306 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47306?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.