CVE-2021-47306

net: fddi: fix UAF in fza_probe

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

21 May 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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")

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf