CVE-2020-10773

EUVD-2020-3187
A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the kernel data.
Poison Null Byte
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
redhatCNA
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.4.0:rc6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
sid
6.11.6-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
Fixed 4.15.0-72.81
released
eoan
ignored
focal
not-affected
trusty
ignored
xenial
Fixed 4.4.0-170.199
released
linux-aws
bionic
Fixed 4.15.0-1056.58
released
eoan
ignored
focal
not-affected
trusty
ignored
xenial
Fixed 4.4.0-1099.110
released
linux-aws-5.0
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-aws-5.3
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-aws-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-aws-hwe
bionic
dne
eoan
dne
focal
dne
trusty
dne
xenial
Fixed 4.15.0-1056.58~16.04.1
released
linux-azure
bionic
ignored
eoan
ignored
focal
not-affected
trusty
ignored
xenial
Fixed 4.15.0-1064.69
released
linux-azure-4.15
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-azure-5.3
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-azure-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-azure-edge
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gcp
bionic
ignored
eoan
ignored
focal
not-affected
trusty
dne
xenial
Fixed 4.15.0-1050.53
released
linux-gcp-4.15
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gcp-5.3
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gcp-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-gcp-edge
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-4.15
bionic
Fixed 4.15.0-1049.52
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
Fixed 5.0.0-1027.28~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-5.3
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-hwe
bionic
Fixed 5.3.0-26.28~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
Fixed 4.15.0-72.81~16.04.1
released
linux-hwe-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-hwe-edge
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
ignored
linux-kvm
bionic
Fixed 4.15.0-1051.51
released
eoan
ignored
focal
not-affected
trusty
dne
xenial
Fixed 4.4.0-1063.70
released
linux-lts-trusty
bionic
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
eoan
dne
focal
dne
trusty
ignored
xenial
dne
linux-oem
bionic
Fixed 4.15.0-1065.75
released
eoan
ignored
focal
dne
trusty
dne
xenial
ignored
linux-oem-5.6
bionic
dne
eoan
dne
focal
not-affected
trusty
dne
xenial
dne
linux-oem-osp1
bionic
Fixed 5.0.0-1033.38
released
eoan
ignored
focal
dne
trusty
dne
xenial
dne
linux-oracle
bionic
Fixed 4.15.0-1030.33
released
eoan
ignored
focal
not-affected
trusty
dne
xenial
Fixed 4.15.0-1030.33~16.04.1
released
linux-oracle-5.0
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-oracle-5.3
bionic
ignored
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-oracle-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-raspi
bionic
dne
eoan
dne
focal
not-affected
trusty
dne
xenial
dne
linux-raspi-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-raspi2
bionic
Fixed 4.15.0-1052.56
released
eoan
ignored
focal
ignored
trusty
dne
xenial
Fixed 4.4.0-1126.135
released
linux-raspi2-5.3
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-riscv
bionic
dne
eoan
dne
focal
not-affected
trusty
dne
xenial
dne
linux-snapdragon
bionic
Fixed 4.15.0-1069.76
released
eoan
dne
focal
dne
trusty
dne
xenial
Fixed 4.4.0-1130.138
released
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f