CVE-2021-47306

Published: May 21, 2024

Modified: May 11, 2026

PUBLISHED

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")

Vendor	Product	Versions
Linux	Linux	affected `61414f5ec9834df8aa4f55c90de16b71a3d6ca8d - < 04b06716838bfc26742dbed3ae1d3697fe5317ee` affected `61414f5ec9834df8aa4f55c90de16b71a3d6ca8d - < f33605908a9b6063525e9f68e62d739948c5fccf` affected `61414f5ec9834df8aa4f55c90de16b71a3d6ca8d - < bdfbb51f7a437ae8ea91317a5c133ec13adf3c47` affected `61414f5ec9834df8aa4f55c90de16b71a3d6ca8d - < deb7178eb940e2c5caca1b1db084a69b2e59b4c9`
Linux	Linux	affected `4.20` unaffected `0 - < 4.20` unaffected `5.4.135 - <= 5.4.` unaffected `5.10.53 - <= 5.10.` unaffected `5.13.5 - <= 5.13.*` +1 more versions

References

https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee

https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf

https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47

https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9

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CVE-2021-47306

Description

Affected Products

References