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CVE-2021-38199

Fixed in a distro release EPSS 1%

fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection.

Published 2021-08-08 · CVE record · OSV

Products: linux_kernel, netapp hci_bootstrap_os, netapp hci_management_node, netapp solidfire, netapp element_software, debian_linux

Distro releases

ReleasePackageFixed in
Amazon Linux 2kernel4.14.268-205.500.amzn2
Amazon Linux 2kernel-devel4.14.268-205.500.amzn2
Amazon Linux 2kernel-headers4.14.268-205.500.amzn2
Amazon Linux 2kernel-livepatch-4.14.268-205.5001.0-0.amzn2
Amazon Linux 2kernel-tools4.14.268-205.500.amzn2
Amazon Linux 2kernel-tools-devel4.14.268-205.500.amzn2
Amazon Linux 2perf4.14.268-205.500.amzn2
Amazon Linux 2python-perf4.14.268-205.500.amzn2
Debian 11linux5.10.46-5
Debian 12linux5.14.6-1
Debian 13linux5.14.6-1
Debian 14linux5.14.6-1
Debian 9linux4.9.290-1
Debian 9linux-4.194.19.208-1~deb9u1
Ubuntu 16.04 LTSlinux-hwe-edgeno fix
Ubuntu 18.04 LTSlinux4.15.0-162.170
Ubuntu 18.04 LTSlinux-aws4.15.0-1115.122
Ubuntu 18.04 LTSlinux-aws-5.0no fix
Ubuntu 18.04 LTSlinux-aws-5.3no fix
Ubuntu 18.04 LTSlinux-aws-5.45.4.0-1057.60~18.04.1
Ubuntu 18.04 LTSlinux-azureno fix
Ubuntu 18.04 LTSlinux-azure-4.154.15.0-1126.139
Ubuntu 18.04 LTSlinux-azure-5.3no fix
Ubuntu 18.04 LTSlinux-azure-5.45.4.0-1059.62~18.04.1
Ubuntu 18.04 LTSlinux-azure-edgeno fix
Ubuntu 18.04 LTSlinux-dell300x4.15.0-1030.35
Ubuntu 18.04 LTSlinux-gcpno fix
Ubuntu 18.04 LTSlinux-gcp-4.154.15.0-1111.125
Ubuntu 18.04 LTSlinux-gcp-5.3no fix
Ubuntu 18.04 LTSlinux-gcp-5.45.4.0-1053.57~18.04.1
Ubuntu 18.04 LTSlinux-gcp-edgeno fix
Ubuntu 18.04 LTSlinux-gke-4.15no fix
Ubuntu 18.04 LTSlinux-gke-5.45.4.0-1053.56~18.04.1
Ubuntu 18.04 LTSlinux-gkeop-5.45.4.0-1024.25~18.04.1
Ubuntu 18.04 LTSlinux-hweno fix
Ubuntu 18.04 LTSlinux-hwe-5.45.4.0-87.98~18.04.1
Ubuntu 18.04 LTSlinux-hwe-edgeno fix
Ubuntu 18.04 LTSlinux-kvm4.15.0-1102.104
Ubuntu 18.04 LTSlinux-oemno fix
Ubuntu 18.04 LTSlinux-oracle4.15.0-1083.91
Ubuntu 18.04 LTSlinux-oracle-5.0no fix
Ubuntu 18.04 LTSlinux-oracle-5.3no fix
Ubuntu 18.04 LTSlinux-oracle-5.45.4.0-1055.59~18.04.1
Ubuntu 18.04 LTSlinux-raspi-5.45.4.0-1044.48~18.04.1
Ubuntu 18.04 LTSlinux-raspi24.15.0-1098.104
Ubuntu 18.04 LTSlinux-snapdragon4.15.0-1115.124
Ubuntu 20.04 LTSlinux5.4.0-88.99
Ubuntu 20.04 LTSlinux-aws5.4.0-1057.60
Ubuntu 20.04 LTSlinux-aws-5.115.11.0-1019.20~20.04.1
Ubuntu 20.04 LTSlinux-aws-5.8no fix
Ubuntu 20.04 LTSlinux-azure5.4.0-1059.62
Ubuntu 20.04 LTSlinux-azure-5.115.11.0-1017.18~20.04.1
Ubuntu 20.04 LTSlinux-azure-5.85.8.0-1043.46~20.04.1
Ubuntu 20.04 LTSlinux-bluefield5.4.0-1019.22
Ubuntu 20.04 LTSlinux-gcp5.4.0-1053.57
Ubuntu 20.04 LTSlinux-gcp-5.115.11.0-1020.22~20.04.1
Ubuntu 20.04 LTSlinux-gcp-5.8no fix
Ubuntu 20.04 LTSlinux-gke5.4.0-1053.56
Ubuntu 20.04 LTSlinux-gkeop5.4.0-1024.25
Ubuntu 20.04 LTSlinux-hwe-5.115.11.0-37.41~20.04.2
Ubuntu 20.04 LTSlinux-hwe-5.8no fix
Ubuntu 20.04 LTSlinux-ibm5.4.0-1005.6
Ubuntu 20.04 LTSlinux-kvm5.4.0-1047.49
Ubuntu 20.04 LTSlinux-oem-5.105.10.0-1049.51
Ubuntu 20.04 LTSlinux-oem-5.135.13.0-1014.18
Ubuntu 20.04 LTSlinux-oem-5.6no fix
Ubuntu 20.04 LTSlinux-oracle5.4.0-1055.59
Ubuntu 20.04 LTSlinux-oracle-5.115.11.0-1019.20~20.04.1
Ubuntu 20.04 LTSlinux-oracle-5.8no fix
Ubuntu 20.04 LTSlinux-raspi5.4.0-1044.48
Ubuntu 20.04 LTSlinux-raspi2no fix
Ubuntu 20.04 LTSlinux-riscvno fix
Ubuntu 20.04 LTSlinux-riscv-5.115.11.0-1020.21~20.04.1
Ubuntu 20.04 LTSlinux-riscv-5.8no fix
Ubuntu 22.04 LTSlinux-intel-iot-realtimeno fix
Ubuntu 22.04 LTSlinux-realtimeno fix
Ubuntu 24.04 LTSlinux-raspi-realtimeno fix
Ubuntu Pro 14.04 LTSlinux-azure4.15.0-1126.139~14.04.1
Ubuntu Pro 16.04 LTSlinux-aws-hwe4.15.0-1115.122~16.04.1
Ubuntu Pro 16.04 LTSlinux-azure4.15.0-1126.139~16.04.1
Ubuntu Pro 16.04 LTSlinux-gcp4.15.0-1111.125~16.04.1
Ubuntu Pro 16.04 LTSlinux-hwe4.15.0-162.170~16.04.1
Ubuntu Pro 16.04 LTSlinux-oracle4.15.0-1083.91~16.04.1
Ubuntu Pro FIPS-updates 18.04 LTSlinux-aws-fips4.15.0-2056.58
Ubuntu Pro FIPS-updates 18.04 LTSlinux-azure-fips4.15.0-2038.42
Ubuntu Pro FIPS-updates 18.04 LTSlinux-fips4.15.0-1072.81
Ubuntu Pro FIPS-updates 18.04 LTSlinux-gcp-fips4.15.0-2021.23
Ubuntu Pro FIPS-updates 20.04 LTSlinux-aws-fips5.4.0-1069.73+fips2
Ubuntu Pro FIPS-updates 20.04 LTSlinux-azure-fips5.4.0-1073.76+fips1
Ubuntu Pro FIPS-updates 20.04 LTSlinux-fips5.4.0-1034.40
Ubuntu Pro FIPS-updates 20.04 LTSlinux-gcp-fips5.4.0-1067.71~20.04.1
Ubuntu Pro FIPS 18.04 LTSlinux-aws-fipsno fix
Ubuntu Pro FIPS 18.04 LTSlinux-azure-fipsno fix
Ubuntu Pro FIPS 18.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS 18.04 LTSlinux-gcp-fipsno fix
Ubuntu Pro FIPS 20.04 LTSlinux-aws-fipsno fix
Ubuntu Pro FIPS 20.04 LTSlinux-azure-fipsno fix
Ubuntu Pro FIPS 20.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS 20.04 LTSlinux-gcp-fipsno fix