CVE-2020-35513

A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
VendorProductVersion
linuxlinux_kernel
4.2
redhatenterprise_linux
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
stretch
not-affected
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
sid
6.11.5-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
groovy
not-affected
focal
not-affected
bionic
Fixed 4.15.0-23.25
released
xenial
not-affected
trusty
ignored
linux-aws
groovy
not-affected
focal
not-affected
bionic
Fixed 4.15.0-1010.10
released
xenial
not-affected
trusty
ignored
linux-aws-5.0
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.3
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.4
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-hwe
groovy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
groovy
not-affected
focal
not-affected
bionic
ignored
xenial
Fixed 4.15.0-1013.13~16.04.2
released
trusty
ignored
linux-azure-4.15
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-5.3
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-azure-5.4
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-edge
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp
groovy
not-affected
focal
not-affected
bionic
ignored
xenial
Fixed 4.15.0-1014.14~16.04.1
released
trusty
dne
linux-gcp-4.15
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-5.3
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp-5.4
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-edge
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-4.15
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.0
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.3
groovy
dne
focal
dne
bionic
not-affected
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
bionic
ignored
xenial
Fixed 4.15.0-24.26~16.04.1
released
trusty
dne
linux-hwe-5.4
groovy
dne
focal
dne
bionic
not-affected
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
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
groovy
not-affected
focal
not-affected
bionic
Fixed 4.15.0-1011.11
released
xenial
not-affected
trusty
dne
linux-lts-trusty
groovy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
groovy
dne
focal
dne
bionic
dne
xenial
dne
trusty
ignored
linux-oem
groovy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-oem-5.6
groovy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oracle-5.0
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.3
groovy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.4
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi
groovy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
groovy
dne
focal
ignored
bionic
Fixed 4.15.0-1012.13
released
xenial
not-affected
trusty
dne
linux-raspi2-5.3
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-riscv
groovy
not-affected
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
groovy
dne
focal
dne
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1911309
https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/
https://bugzilla.redhat.com/show_bug.cgi?id=1911309
https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/