CVE-2020-25211

CVE Details

Release Date:

2020-09-09

Description

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

See more information about CVE-2020-25211 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:	6	Base Metrics:	AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5912	2020-11-06
Oracle Linux version 7 (kernel)	ELSA-2021-0856	2021-03-17
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5912	2020-11-06
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5913	2020-11-10
Oracle Linux version 8 (kernel)	ELSA-2021-0003	2021-01-05

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