VYPR
Unrated severityNVD Advisory· Published Mar 25, 2022· Updated Aug 3, 2024

CVE-2021-4203

CVE-2021-4203

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.

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Affected products

249

Patches

Vulnerability mechanics

References

6

News mentions

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