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Oracle Linux: CVE-2021-4203: ELSA-2022-1988: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2021-4203: ELSA-2022-1988: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:M/Au:S/C:P/I:N/A:P)
Published
09/29/2021
Created
05/06/2022
Added
05/04/2022
Modified
08/06/2024

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)

  • oracle-linux-upgrade-kernel

References

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