CVE-2021-4149

CVE Details

Release Date:

2022-03-23

Description

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

See more information about CVE-2021-4149 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:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2022-9348	2022-05-03
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9313	2022-04-25
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9348	2022-05-03
Oracle Linux version 7 (kernel-uek-container)	ELSA-2022-9314	2022-04-25
Oracle VM version 3 (kernel-uek)	OVMSA-2022-0014	2022-05-03

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