module

Watch Queue Out of Bounds Write

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Disclosed
2022-03-14
Created
2022-04-21

Description

This module exploits a vulnerability in the Linux Kernel's watch_queue event
notification system. It relies on a heap out-of-bounds write in kernel memory.
The exploit may fail on the first attempt so multiple attempts may be needed.
Note that the exploit can potentially cause a denial of service if multiple
failed attemps occur, however this is unlikely.

Authors

Jann Horn
bonfee
bwatters-r7

Platform

Linux

Architectures

x64

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:


    msf > use exploit/linux/local/cve_2022_0995_watch_queue
    msf exploit(cve_2022_0995_watch_queue) > show targets
        ...targets...
    msf exploit(cve_2022_0995_watch_queue) > set TARGET < target-id >
    msf exploit(cve_2022_0995_watch_queue) > show options
        ...show and set options...
    msf exploit(cve_2022_0995_watch_queue) > exploit
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