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CVE-2021-4150

Description

A use-after-free flaw was found in the add_partition in block/partitions/core.c in the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue results from the lack of code cleanup when device_add call fails when adding a partition to the disk.

POC

Reference

No PoCs from references.

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/sam8k/Dynamic-and-Static-Analysis-of-SOUPs