CVE-2023-52581

CVE Details

Release Date:

2024-03-02

Description

In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_tables: fix memleak when more than 255 elements expired\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\nWhile at it, don't deref 'gc' after we've passed it to call_rcu.

See more information about CVE-2023-52581 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	Base Metrics:	AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	High
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 8 (kernel)	ELSA-2024-3138	2024-05-23
Oracle Linux version 9 (kernel)	ELSA-2024-2394	2024-05-02

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