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.
References (8)
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