CVE-2020-11884

In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enable_sacf_uaccess in arch/s390/lib/uaccess.c that fails to protect against a concurrent page table upgrade, aka CID-3f777e19d171. A crash could also occur.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
VendorProductVersion
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.119
linuxlinux_kernel
4.20 ≤
𝑥
< 5.4.36
linuxlinux_kernel
5.5 ≤
𝑥
< 5.6.8
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
canonicalubuntu_linux
20.04
debiandebian_linux
10.0
netappactive_iq_unified_manager
-
netappcloud_backup
-
netappelement_software
-
netapphci_management_node
-
netappsolidfire
-
netappsteelstore_cloud_integrated_storage
-
netappsolidfire_baseboard_management_controller
-
netappbootstrap_os
-
netappa700s_firmware
-
netapph300s_firmware
-
netapph500s_firmware
-
netapph700s_firmware
-
netapph300e_firmware
-
netapph500e_firmware
-
netapph700e_firmware
-
netapph410s_firmware
-
netapph410c_firmware
-
netapph610c_firmware
-
netapph610s_firmware
-
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
Fixed 5.4.0-28.32
released
eoan
Fixed 5.3.0-51.44
released
bionic
Fixed 4.15.0-99.100
released
xenial
not-affected
trusty
not-affected
linux-aws
focal
not-affected
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws-5.0
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1019.21~18.04.1
released
xenial
dne
trusty
dne
linux-aws-hwe
focal
dne
eoan
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
focal
not-affected
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-azure-4.15
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1083.93
released
xenial
dne
trusty
dne
linux-azure-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-edge
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp
focal
not-affected
eoan
not-affected
bionic
not-affected
xenial
not-affected
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
not-affected
xenial
dne
trusty
dne
linux-gcp-edge
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-4.15
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.0
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe
focal
dne
eoan
dne
bionic
Fixed 5.3.0-51.44~18.04.2
released
xenial
Fixed 4.15.0-99.100~16.04.1
released
trusty
dne
linux-hwe-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe-edge
focal
dne
eoan
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
focal
not-affected
eoan
not-affected
bionic
not-affected
xenial
not-affected
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
not-affected
linux-oem
focal
dne
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oem-5.6
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
focal
dne
eoan
not-affected
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle
focal
not-affected
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oracle-5.0
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
focal
not-affected
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-riscv
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
focal
dne
eoan
dne
bionic
not-affected
xenial
not-affected
trusty
dne
References