CVE-2022-50622
Published Dec 8, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4_fc_record_modified_inode() As krealloc may return NULL, in this case 'state->fc_modified_inodes' may not be freed by krealloc, but 'state->fc_modified_inodes' already set NULL. Then will lead to 'state->fc_modified_inodes' memory leak.
Is your site exposed to CVE-2022-50622?
Run a free security scan — no signup, results in seconds.
References
Other References
https://git.kernel.org/stable/c/24d39affc6be1acf6df86a8c3e2413b8a73749c7
https://git.kernel.org/stable/c/9305721a309fa1bd7c194e0d4a2335bf3b29dca4
https://git.kernel.org/stable/c/9b5eb368a86f97eb9831f5b53b8e43ec69bc7cd4
https://git.kernel.org/stable/c/c0be17635f039f864b1108efec0015c73736e414
https://git.kernel.org/stable/c/c9ce7766dc4e88e624c62a68221a3bbe8f06e856
Frequently Asked Questions
What is CVE-2022-50622? +
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix potential memory leak in ext4_fc_record_modified_inode()
As krealloc may return NULL, in this case 'state->fc_modified_inodes'
may not be freed by krealloc, but 'state->fc_modified_inodes' already
set NULL. Then will lead to 'state->fc_modified_inodes' memory leak.
How do I check if I'm vulnerable to CVE-2022-50622? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.