CVE-2021-33909 – Linux Foundation / Linux kernel – Out-of-bounds write

CVE-2021-33909 is an out-of-bounds write vulnerability impacting Linux kernel before version 5.13.4. An exploit was observed in open source and a link to an exploit was shared in the underground.

Summary:

CVE-2021-33909 is an out-of-bounds write vulnerability impacting Linux kernel before version 5.13.4. An exploit was observed in open source and a link to an exploit was shared in the underground.

PoC Links(if available):

GitHub commit exploit –
https://github.com/AmIAHuman/CVE-2021-33909

Known Counter Measures:

Linux Foundation addressed the vulnerability in Linux kernel version 5.13.4.

Links to patches(if available)

https://www.kernel.org/