CVE-2023-3611

CVE Details

Release Date:

2023-07-21

Description

An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.

See more information about CVE-2023-3611 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:	7.8	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel)	ELSA-2024-1831	2024-04-22
Oracle Linux version 6 (kernel-uek)	ELSA-2023-12842	2023-10-03
Oracle Linux version 7 (kernel)	ELSA-2023-7423	2023-11-22
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12842	2023-10-03
Oracle Linux version 8 (kernel)	ELSA-2023-7077	2023-11-17
Oracle VM version 3 (kernel-uek)	OVMSA-2023-0023	2023-11-02

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