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Huawei EulerOS: CVE-2021-4203: kernel security update

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Huawei EulerOS: CVE-2021-4203: kernel security update

Severity
5
CVSS
(AV:N/AC:M/Au:S/C:P/I:N/A:P)
Published
03/25/2022
Created
04/20/2022
Added
04/19/2022
Modified
04/19/2022

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)

  • huawei-euleros-2_0_sp9-upgrade-kernel
  • huawei-euleros-2_0_sp9-upgrade-kernel-tools
  • huawei-euleros-2_0_sp9-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp9-upgrade-python3-perf

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