CVE-2020-12771

An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.
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
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
VendorProductVersion
linuxlinux_kernel
𝑥
≤ 5.6.11
debiandebian_linux
9.0
opensuseleap
15.1
opensuseleap
15.2
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
20.04
netappactive_iq_unified_manager
-
netappcloud_backup
-
netappelement_software
-
netapphci_management_node
-
netappsolidfire
-
netappsteelstore_cloud_integrated_storage
-
netapphci_bootstrap_os
-
netappa700s_firmware
-
netapph300s_firmware
-
netapph500s_firmware
-
netapph700s_firmware
-
netapph300e_firmware
-
netapph500e_firmware
-
netapph700e_firmware
-
netapph410s_firmware
-
netapph410c_firmware
-
netapph610c_firmware
-
netapph610s_firmware
-
netapph615c_firmware
-
oraclesd-wan_edge
8.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
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
groovy
not-affected
focal
Fixed 5.4.0-45.49
released
eoan
ignored
bionic
Fixed 4.15.0-115.116
released
xenial
Fixed 4.4.0-187.217
released
trusty
ignored
linux-aws
groovy
not-affected
focal
Fixed 5.4.0-1022.22
released
eoan
ignored
bionic
Fixed 4.15.0-1080.84
released
xenial
Fixed 4.4.0-1112.124
released
trusty
Fixed 4.4.0-1076.80
released
linux-aws-5.0
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.3
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1033.35
released
xenial
dne
trusty
dne
linux-aws-5.4
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1022.22~18.04.1
released
xenial
dne
trusty
dne
linux-aws-hwe
groovy
dne
focal
dne
eoan
dne
bionic
dne
xenial
Fixed 4.15.0-1080.84~16.04.1
released
trusty
dne
linux-azure
groovy
not-affected
focal
Fixed 5.4.0-1023.23
released
eoan
ignored
bionic
ignored
xenial
Fixed 4.15.0-1093.103~16.04.1
released
trusty
Fixed 4.15.0-1093.103~14.04.1
released
linux-azure-4.15
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1093.103
released
xenial
dne
trusty
dne
linux-azure-5.3
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1035.36
released
xenial
dne
trusty
dne
linux-azure-5.4
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1023.23~18.04.1
released
xenial
dne
trusty
dne
linux-azure-edge
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp
groovy
not-affected
focal
Fixed 5.4.0-1022.22
released
eoan
ignored
bionic
ignored
xenial
Fixed 4.15.0-1081.92~16.04.1
released
trusty
dne
linux-gcp-4.15
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1081.92
released
xenial
dne
trusty
dne
linux-gcp-5.3
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp-5.4
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1022.22~18.04.1
released
xenial
dne
trusty
dne
linux-gcp-edge
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-4.15
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1067.70
released
xenial
dne
trusty
dne
linux-gke-5.0
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.0.0-1046.47
released
xenial
dne
trusty
dne
linux-gke-5.3
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1033.35
released
xenial
dne
trusty
dne
linux-gke-5.4
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gkeop-5.4
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-65.59
released
xenial
Fixed 4.15.0-115.116~16.04.1
released
trusty
dne
linux-hwe-5.4
groovy
dne
focal
dne
bionic
Fixed 5.4.0-45.49~18.04.2
released
xenial
dne
trusty
dne
linux-hwe-5.8
groovy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-hwe-edge
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
groovy
not-affected
focal
Fixed 5.4.0-1021.21
released
eoan
ignored
bionic
Fixed 4.15.0-1072.73
released
xenial
Fixed 4.4.0-1078.85
released
trusty
dne
linux-lts-trusty
groovy
dne
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
groovy
dne
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
Fixed 4.4.0-187.217~14.04.1
released
linux-oem
groovy
dne
focal
dne
eoan
ignored
bionic
Fixed 4.15.0-1094.104
released
xenial
ignored
trusty
dne
linux-oem-5.6
groovy
dne
focal
Fixed 5.6.0-1031.32
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
groovy
dne
focal
dne
eoan
ignored
bionic
Fixed 5.0.0-1067.72
released
xenial
dne
trusty
dne
linux-oracle
groovy
not-affected
focal
Fixed 5.4.0-1022.22
released
eoan
ignored
bionic
Fixed 4.15.0-1051.55
released
xenial
Fixed 4.15.0-1051.55~16.04.1
released
trusty
dne
linux-oracle-5.0
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.3
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.4
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1022.22~18.04.1
released
xenial
dne
trusty
dne
linux-raspi
groovy
not-affected
focal
Fixed 5.4.0-1016.17
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1016.17~18.04.1
released
xenial
dne
trusty
dne
linux-raspi2
groovy
dne
focal
ignored
eoan
ignored
bionic
Fixed 4.15.0-1068.72
released
xenial
Fixed 4.4.0-1137.146
released
trusty
dne
linux-raspi2-5.3
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1032.34
released
xenial
dne
trusty
dne
linux-riscv
groovy
not-affected
focal
Fixed 5.4.0-31.35
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1084.92
released
xenial
Fixed 4.4.0-1141.149
released
trusty
dne