CVE-2020-8992

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
VendorProductVersion
linuxlinux_kernel
𝑥
≤ 5.5.3
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
opensuseleap
15.1
netappactive_iq_unified_manager
-
netappcloud_backup
-
netappdata_availability_services
-
netapphci_management_node
-
netappsolidfire
-
netappsteelstore_cloud_integrated_storage
-
netapph410c_firmware
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
stretch
not-affected
jessie
not-affected
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
focal
not-affected
eoan
Fixed 5.3.0-51.44
released
bionic
Fixed 4.15.0-96.97
released
xenial
Fixed 4.4.0-185.215
released
trusty
ignored
linux-aws
focal
not-affected
eoan
Fixed 5.3.0-1017.18
released
bionic
Fixed 4.15.0-1065.69
released
xenial
Fixed 4.4.0-1110.121
released
trusty
Fixed 4.4.0-1074.78
released
linux-aws-5.0
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1017.18~18.04.1
released
xenial
dne
trusty
dne
linux-aws-hwe
focal
dne
eoan
dne
bionic
dne
xenial
Fixed 4.15.0-1065.69~16.04.1
released
trusty
dne
linux-azure
focal
not-affected
eoan
Fixed 5.3.0-1020.21
released
bionic
ignored
xenial
Fixed 4.15.0-1077.82
released
trusty
Fixed 4.15.0-1077.82~14.04.1
released
linux-azure-4.15
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1020.21~18.04.1
released
xenial
dne
trusty
dne
linux-azure-edge
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp
focal
not-affected
eoan
Fixed 5.3.0-1018.19
released
bionic
ignored
xenial
Fixed 4.15.0-1060.64
released
trusty
dne
linux-gcp-4.15
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1018.19~18.04.1
released
xenial
dne
trusty
dne
linux-gcp-edge
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-4.15
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1057.60
released
xenial
dne
trusty
dne
linux-gke-5.0
focal
dne
eoan
dne
bionic
Fixed 5.0.0-1035.36
released
xenial
dne
trusty
dne
linux-gke-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1018.19~18.04.1
released
xenial
dne
trusty
dne
linux-hwe
focal
dne
eoan
dne
bionic
Fixed 5.3.0-51.44~18.04.2
released
xenial
Fixed 4.15.0-96.97~16.04.1
released
trusty
dne
linux-hwe-edge
focal
dne
eoan
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
focal
not-affected
eoan
Fixed 5.3.0-1016.17
released
bionic
Fixed 4.15.0-1058.59
released
xenial
Fixed 4.4.0-1076.83
released
trusty
dne
linux-lts-trusty
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
Fixed 4.4.0-185.215~14.04.1
released
linux-oem
focal
dne
eoan
Fixed 4.15.0-1079.89
released
bionic
Fixed 4.15.0-1079.89
released
xenial
ignored
trusty
dne
linux-oem-5.6
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
focal
dne
eoan
ignored
bionic
Fixed 5.0.0-1050.55
released
xenial
dne
trusty
dne
linux-oracle
focal
not-affected
eoan
Fixed 5.3.0-1016.18
released
bionic
Fixed 4.15.0-1037.41
released
xenial
Fixed 4.15.0-1037.41~16.04.1
released
trusty
dne
linux-oracle-5.0
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1016.18~18.04.1
released
xenial
dne
trusty
dne
linux-raspi
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi2
focal
ignored
eoan
Fixed 5.3.0-1023.25
released
bionic
Fixed 4.15.0-1060.64
released
xenial
Fixed 4.4.0-1135.144
released
trusty
dne
linux-raspi2-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1023.25~18.04.1
released
xenial
dne
trusty
dne
linux-riscv
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1076.83
released
xenial
Fixed 4.4.0-1139.147
released
trusty
dne