CVE-2020-25212

CVE Details

Release Date:

2020-09-09

Description

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.

See more information about CVE-2020-25212 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 6 (kernel-uek)	ELSA-2020-5866	2020-10-06
Oracle Linux version 7 (kernel)	ELSA-2020-5437	2020-12-16
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5866	2020-10-06
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5884	2020-10-12
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5885	2020-10-12
Oracle Linux version 8 (kernel)	ELSA-2021-1578	2021-05-25
Oracle Linux version 8 (kernel-uek)	ELSA-2020-5884	2020-10-12
Oracle VM version 3.4 (kernel-uek)	OVMSA-2020-0044	2020-10-09

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