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CVE-2021-3428

Description

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.

POC

Reference

- https://ubuntu.com/security/CVE-2021-3428

Github

No PoCs found on GitHub currently.