CVE-2023-32233

CVE Details

Release Date:	2023-05-02
Impact:	Important	What is this?

Description

In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.

See more information about CVE-2023-32233 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:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
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 7 (kernel)	ELSA-2023-5622	2023-10-11
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12394	2023-06-15
Oracle Linux version 7 (kernel-uek-container)	ELSA-2023-12412	2023-06-13
Oracle Linux version 8 (kernel)	ELSA-2023-3349	2023-06-01
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12393	2023-06-13
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12394	2023-06-15
Oracle Linux version 8 (kernel-uek-container)	ELSA-2023-12413	2023-06-13
Oracle Linux version 9 (kernel)	ELSA-2023-3723	2023-07-25
Oracle Linux version 9 (kernel-uek)	ELSA-2023-12393	2023-06-13