CVE-2020-24394

In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
𝑥
< 5.7.8
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
20.04
opensuseleap
15.1
oraclesd-wan_edge
8.2
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
stretch
not-affected
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
Fixed 4.15.0-115.116
released
focal
Fixed 5.4.0-45.49
released
groovy
not-affected
trusty
not-affected
xenial
not-affected
linux-aws
bionic
Fixed 4.15.0-1080.84
released
focal
Fixed 5.4.0-1022.22
released
groovy
not-affected
trusty
not-affected
xenial
not-affected
linux-aws-5.0
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-aws-5.3
bionic
Fixed 5.3.0-1033.35
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-aws-5.4
bionic
Fixed 5.4.0-1022.22~18.04.1
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-aws-hwe
bionic
dne
focal
dne
groovy
dne
trusty
dne
xenial
Fixed 4.15.0-1080.84~16.04.1
released
linux-azure
bionic
ignored
focal
Fixed 5.4.0-1023.23
released
groovy
not-affected
trusty
Fixed 4.15.0-1093.103~14.04.1
released
xenial
Fixed 4.15.0-1093.103~16.04.1
released
linux-azure-4.15
bionic
Fixed 4.15.0-1093.103
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-azure-5.3
bionic
Fixed 5.3.0-1035.36
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-azure-5.4
bionic
Fixed 5.4.0-1023.23~18.04.1
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-azure-edge
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-dell300x
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp
bionic
ignored
focal
Fixed 5.4.0-1022.22
released
groovy
not-affected
trusty
dne
xenial
Fixed 4.15.0-1081.92~16.04.1
released
linux-gcp-4.15
bionic
Fixed 4.15.0-1081.92
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp-5.3
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp-5.4
bionic
Fixed 5.4.0-1022.22~18.04.1
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp-edge
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-4.15
bionic
Fixed 4.15.0-1067.70
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-5.3
bionic
Fixed 5.3.0-1033.35
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gkeop
bionic
dne
focal
not-affected
groovy
dne
trusty
dne
xenial
dne
linux-gkeop-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-hwe
bionic
Fixed 5.3.0-65.59
released
focal
dne
groovy
dne
trusty
dne
xenial
Fixed 4.15.0-115.116~16.04.1
released
linux-hwe-5.4
bionic
Fixed 5.4.0-45.49~18.04.2
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-hwe-5.8
bionic
dne
focal
not-affected
groovy
dne
trusty
dne
xenial
dne
linux-hwe-edge
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
ignored
linux-kvm
bionic
Fixed 4.15.0-1072.73
released
focal
Fixed 5.4.0-1021.21
released
groovy
not-affected
trusty
dne
xenial
not-affected
linux-lts-trusty
bionic
dne
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
focal
dne
groovy
dne
trusty
not-affected
xenial
dne
linux-oem
bionic
Fixed 4.15.0-1094.104
released
focal
dne
groovy
dne
trusty
dne
xenial
ignored
linux-oem-5.10
bionic
dne
focal
not-affected
groovy
dne
trusty
dne
xenial
dne
linux-oem-5.6
bionic
dne
focal
Fixed 5.6.0-1031.32
released
groovy
dne
trusty
dne
xenial
dne
linux-oem-osp1
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-oracle
bionic
Fixed 4.15.0-1051.55
released
focal
Fixed 5.4.0-1022.22
released
groovy
not-affected
trusty
dne
xenial
Fixed 4.15.0-1051.55~16.04.1
released
linux-oracle-5.0
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-oracle-5.3
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-oracle-5.4
bionic
Fixed 5.4.0-1022.22~18.04.1
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-raspi
bionic
dne
focal
Fixed 5.4.0-1016.17
released
groovy
not-affected
trusty
dne
xenial
dne
linux-raspi-5.4
bionic
Fixed 5.4.0-1016.17~18.04.1
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-raspi2
bionic
Fixed 4.15.0-1068.72
released
focal
ignored
groovy
dne
trusty
dne
xenial
not-affected
linux-raspi2-5.3
bionic
Fixed 5.3.0-1032.34
released
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-riscv
bionic
dne
focal
Fixed 5.4.0-31.35
released
groovy
not-affected
trusty
dne
xenial
dne
linux-snapdragon
bionic
Fixed 4.15.0-1084.92
released
focal
dne
groovy
dne
trusty
dne
xenial
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
kernel-azure
suse enterprise sap 15 SP1
4.12.14-8.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.41.1
fixed
kernel-azure-base
suse enterprise sap 15 SP1
4.12.14-8.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.41.1
fixed
kernel-default
suse enterprise server 12 SP4
4.12.14-95.60.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
kernel-default-base
suse enterprise desktop 15 SP1
4.12.14-197.56.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.56.1
fixed
suse enterprise server 12 SP4
4.12.14-95.60.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
suse enterprise server 15 SP1
4.12.14-197.56.1
fixed
kernel-default-man
suse enterprise desktop 15 SP1
4.12.14-197.56.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.56.1
fixed
suse enterprise server 12 SP4
4.12.14-95.60.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
suse enterprise server 15 SP1
4.12.14-197.56.1
fixed
kernel-docs
suse enterprise desktop 15 SP1
4.12.14-197.56.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.56.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
suse enterprise server 15 SP1
4.12.14-197.56.1
fixed
kernel-macros
suse enterprise desktop 15 SP1
4.12.14-197.56.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.56.1
fixed
suse enterprise server 12 SP4
4.12.14-95.60.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
suse enterprise server 15 SP1
4.12.14-197.56.1
fixed
kernel-obs-build
suse enterprise desktop 15 SP1
4.12.14-197.56.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.56.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
suse enterprise server 15 SP1
4.12.14-197.56.1
fixed
kernel-source
suse enterprise desktop 15 SP1
4.12.14-197.56.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.56.1
fixed
suse enterprise server 12 SP4
4.12.14-95.60.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
suse enterprise server 15 SP1
4.12.14-197.56.1
fixed
kernel-source-azure
suse enterprise sap 15 SP1
4.12.14-8.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.41.1
fixed
kernel-syms
suse enterprise desktop 15 SP1
4.12.14-197.56.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.56.1
fixed
suse enterprise server 12 SP4
4.12.14-95.60.1
fixed
suse enterprise server 15
4.12.14-150.58.1
fixed
suse enterprise server 15 SP1
4.12.14-197.56.1
fixed
kernel-syms-azure
suse enterprise sap 15 SP1
4.12.14-8.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.41.1
fixed
kernel-vanilla-base
suse enterprise server 15
4.12.14-150.58.1
fixed
reiserfs-kmp-default
suse enterprise server 15
4.12.14-150.58.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
bpftool
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-abi-stablelists
RHEL 8
0:4.18.0-305.el8
fixed
kernel-abi-whitelists
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
kernel-bootwrapper
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
kernel-core
RHEL 8
0:4.18.0-305.el8
fixed
kernel-debug
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-debug-core
RHEL 8
0:4.18.0-305.el8
fixed
kernel-debug-devel
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-debug-modules
RHEL 8
0:4.18.0-305.el8
fixed
kernel-debug-modules-extra
RHEL 8
0:4.18.0-305.el8
fixed
kernel-devel
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-doc
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-kdump
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
kernel-kdump-devel
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
kernel-modules
RHEL 8
0:4.18.0-305.el8
fixed
kernel-modules-extra
RHEL 8
0:4.18.0-305.el8
fixed
kernel-rt
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-core
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-debug
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-debug-core
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-debug-devel
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-debug-kvm
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-debug-modules
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-debug-modules-extra
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-devel
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-doc
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
kernel-rt-kvm
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-modules
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-modules-extra
RHEL 8
0:4.18.0-305.rt7.72.el8
fixed
kernel-rt-trace
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
kernel-rt-trace-devel
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
kernel-rt-trace-kvm
RHEL 7
0:3.10.0-1160.11.1.rt56.1145.el7
fixed
kernel-tools
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-tools-libs
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-tools-libs-devel
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
kernel-zfcpdump
RHEL 8
0:4.18.0-305.el8
fixed
kernel-zfcpdump-core
RHEL 8
0:4.18.0-305.el8
fixed
kernel-zfcpdump-devel
RHEL 8
0:4.18.0-305.el8
fixed
kernel-zfcpdump-modules
RHEL 8
0:4.18.0-305.el8
fixed
kernel-zfcpdump-modules-extra
RHEL 8
0:4.18.0-305.el8
fixed
perf
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
RHEL 8
0:4.18.0-305.el8
fixed
python-perf
RHEL 7
0:3.10.0-1160.11.1.el7
fixed
python3-perf
RHEL 8
0:4.18.0-305.el8
fixed
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832
https://security.netapp.com/advisory/ntap-20200904-0003/
https://usn.ubuntu.com/4465-1/
https://usn.ubuntu.com/4483-1/
https://usn.ubuntu.com/4485-1/
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.starwindsoftware.com/security/sw-20210325-0004/
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832
https://security.netapp.com/advisory/ntap-20200904-0003/
https://usn.ubuntu.com/4465-1/
https://usn.ubuntu.com/4483-1/
https://usn.ubuntu.com/4485-1/
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.starwindsoftware.com/security/sw-20210325-0004/