CVE CyberSecurity Database News

CVE-2022-2946 Use After Free in GitHub repository vim/vim prior to 9.0.0246.

Poster -

Use the command after_free() to check the amount of physical memory being consumed by vim process. If vim process is consuming more than 80% of physical memory, close all open file tabs in GitHub repository vim/vim.

After closing all open tabs in GitHub repository vim/vim, restart the editor.

You will now be redirected to the new tab in GitHub repository vim/vim.

Follow the same steps above to close all other open tabs in other GitHub repositories. By closing all open tabs in GitHub repository vim/vim, you reduce the amount of memory being consumed by the process by 80%. It also cleans up the cache files to give the system more memory.

vim/vim - closing all tabs

After closing all open tabs in vim/vim, restart the editor.

You will now be redirected to the new tab in vim/vim.

Check if vim is running in a daemon mode

If vim process is running in daemon mode, you need to kill the process.

On Linux/Unix:
sudo kill -9 $PGID
On Windows:
taskkill /PID/NNHNNN-X

Check Total Memory Usage on Process es

The command after_free() is used to check the amount of physical memory being consumed by a process. If vim process is consuming more than 80% of physical memory, close all open file tabs in GitHub repository vim/vim. After closing all open tabs in GitHub repository vim/vim, restart the editor. You will now be redirected to the new tab in GitHub repository vim/vim. Follow the same steps above to close all other open tabs in other GitHub repositories. By closing all open tabs in GitHub repository vim/vim, you reduce the amount of memory being consumed by the process by 80%. It also cleans up the cache files to give the system more memory.

Timeline

Published on: 08/23/2022 17:15:00 UTC
Last modified on: 09/04/2022 19:34:00 UTC

References