CVE-2023-23454

CVE Details

Release Date:

2023-01-12

Description

cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).

See more information about CVE-2023-23454 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	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 6 (kernel-uek)	ELSA-2023-12375	2023-06-07
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12206	2023-03-21
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12375	2023-06-07
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-uek)	ELSA-2023-12196	2023-03-16
Oracle VM version 3 (kernel-uek)	OVMSA-2023-0016	2023-08-03

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team