CVE-2022-47929

CVE Details

Release Date:	2023-01-17
Impact:	None	What is this?

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.

See more information about CVE-2022-47929 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12199	2023-03-17
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12206	2023-03-21
Oracle Linux version 7 (kernel-uek-container)	ELSA-2023-12200	2023-03-17
Oracle Linux version 7 (kernel-uek-container)	ELSA-2023-12207	2023-03-21
Oracle Linux version 8 (kernel)	ELSA-2023-2951	2023-05-23
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12196	2023-03-16
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12206	2023-03-21
Oracle Linux version 8 (kernel-uek-container)	ELSA-2023-12207	2023-03-21
Oracle Linux version 9 (kernel)	ELSA-2023-2458	2023-05-15
Oracle Linux version 9 (kernel-uek)	ELSA-2023-12196	2023-03-16