Huawei EulerOS: CVE-2022-47929: kernel security update

Huawei EulerOS: CVE-2022-47929: kernel security update

Severity

5

CVSS

(AV:L/AC:L/Au:S/C:N/I:N/A:C)

Published

01/17/2023

Created

03/10/2023

Added

03/09/2023

Modified

01/30/2025

Description

In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. This affects qdisc_graft in net/sched/sch_api.c.

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

References

• https://attackerkb.com/topics/cve-2022-47929
• CVE - 2022-47929
• EulerOS-SA-2023-1469