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CVE-2023-3772

Description

A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.

POC

Reference

- http://www.openwall.com/lists/oss-security/2023/08/10/1

- https://bugzilla.redhat.com/show_bug.cgi?id=2218943

Github

No PoCs found on GitHub currently.