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CVE-2020-27825

Description

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

POC

Reference

No PoCs from references.

Github

- https://github.com/Live-Hack-CVE/CVE-2020-27825

- https://github.com/evdenis/cvehound