CVE-2020-8992

MEDIUM

Linux Kernel < 5.5.3 - Denial of Service

Title source: rule
STIX 2.1

Description

ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.

Scores

CVSS v3 5.5
EPSS 0.0005
EPSS Percentile 16.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400 CWE-834
Status published
Products (13)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 19.10
linux/linux_kernel < 5.5.3
netapp/active_iq_unified_manager
netapp/cloud_backup
netapp/data_availability_services
netapp/h410c_firmware
netapp/hci_management_node
... and 3 more
Published Feb 14, 2020
Tracked Since Feb 18, 2026