CVE-2023-52772

CVSS 3.1 Score 7.8 of 10 (high)

Details

Published May 21, 2024
Updated: May 24, 2024
CWE ID 416

Summary

CVE-2023-52772 is a use-after-free vulnerability discovered in the Linux kernel's unix_stream_read_actor() function in af_unix.c. The issue allows a thread to change a socket's skb (Socket Buffer) after releasing the socket lock, leading to a use-after-free condition. This vulnerability can potentially result in a kernel crash or arbitrary code execution. The reported crash occurred during unix_stream_recv_urg() when the affected socket was being read and written by different threads concurrently. The vulnerability was identified using the KASAN memory error detector.

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