Red Hat: CVE-2021-4203: CVE-2021-4203 kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses (Multiple Advisories)
5
(AV:N/AC:M/Au:S/C:P/I:N/A:P)
03/25/2022
05/14/2022
05/13/2022
03/13/2024
Description
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.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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