CVE-2024-36974

CVE Details

Release Date:

2024-06-18

Description

In the Linux kernel, the following vulnerability has been resolved:\nnet/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP\nIf one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided,\ntaprio_parse_mqprio_opt() must validate it, or userspace\ncan inject arbitrary data to the kernel, the second time\ntaprio_change() is called.\nFirst call (with valid attributes) sets dev->num_tc\nto a non zero value.\nSecond call (with arbitrary mqprio attributes)\nreturns early from taprio_parse_mqprio_opt()\nand bad things can happen.

See more information about CVE-2024-36974 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	6.1	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Attack Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	Low	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2024-12610	2024-09-10
Oracle Linux version 7 (kernel-uek-container)	ELSA-2024-12612	2024-09-11
Oracle Linux version 8 (kernel-uek)	ELSA-2024-12610	2024-09-10
Oracle Linux version 8 (kernel-uek)	ELSA-2024-12618	2024-09-12
Oracle Linux version 8 (kernel-uek-container)	ELSA-2024-12612	2024-09-11
Oracle Linux version 9 (kernel-uek)	ELSA-2024-12618	2024-09-12