A use-after-free read flaw was found... CVE-2021-4203

- AV AC AU C I A
发布: 2022-05-11
修订: 2022-04-29

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

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