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CVE-2021-47403

Fixed in a distro release EPSS <1%CVSS 7.1

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty.

Published 2024-05-21 · CVE record · OSV

Products: Linux, linux_kernel

Distro releases

ReleasePackageFixed in
Debian 12linux5.14.12-1
Debian 13linux5.14.12-1
Debian 14linux5.14.12-1
SUSE Linux Enterprise High Availability Extension 12 SP5kernel-default4.12.14-122.225.1
SUSE Linux Enterprise High Availability Extension 15 SP4kernel-default5.14.21-150400.24.122.2
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SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSkernel-64kb5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSkernel-default5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSkernel-default-base5.14.21-150400.24.122.2.150400.24.58.2
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSkernel-docs5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSkernel-obs-build5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSkernel-source5.14.21-150400.24.122.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSkernel-syms5.14.21-150400.24.122.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSkernel-64kb5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSkernel-default5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSkernel-default-base5.14.21-150400.24.122.2.150400.24.58.2
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSkernel-docs5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSkernel-obs-build5.14.21-150400.24.122.2
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSkernel-source5.14.21-150400.24.122.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSkernel-syms5.14.21-150400.24.122.1
SUSE Linux Enterprise Live Patching 12 SP5kernel-default4.12.14-122.225.1
SUSE Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_591-8.3.1
SUSE Linux Enterprise Live Patching 15 SP4kernel-default5.14.21-150400.24.122.2
SUSE Linux Enterprise Live Patching 15 SP4kernel-livepatch-SLE15-SP4_Update_271-150400.9.3.2
SUSE Linux Enterprise Live Patching 15 SP5kernel-default5.14.21-150500.55.68.1
SUSE Linux Enterprise Live Patching 15 SP5kernel-livepatch-SLE15-SP5-RT_Update_161-150500.11.3.1
SUSE Linux Enterprise Live Patching 15 SP5kernel-livepatch-SLE15-SP5_Update_151-150500.11.3.1
SUSE Linux Enterprise Micro 5.3kernel-default5.14.21-150400.24.122.2
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Ubuntu 16.04 LTSlinux-hwe-edgeno fix
Ubuntu 18.04 LTSlinux4.15.0-163.171
Ubuntu 18.04 LTSlinux-aws4.15.0-1116.123
Ubuntu 18.04 LTSlinux-aws-5.0no fix
Ubuntu 18.04 LTSlinux-aws-5.3no fix
Ubuntu 18.04 LTSlinux-aws-5.45.4.0-1060.63~18.04.1
Ubuntu 18.04 LTSlinux-azureno fix
Ubuntu 18.04 LTSlinux-azure-4.154.15.0-1127.140
Ubuntu 18.04 LTSlinux-azure-5.3no fix
Ubuntu 18.04 LTSlinux-azure-5.45.4.0-1064.67~18.04.1
Ubuntu 18.04 LTSlinux-azure-edgeno fix
Ubuntu 18.04 LTSlinux-gcpno fix
Ubuntu 18.04 LTSlinux-gcp-4.154.15.0-1112.126
Ubuntu 18.04 LTSlinux-gcp-5.3no fix
Ubuntu 18.04 LTSlinux-gcp-5.45.4.0-1058.62~18.04.1
Ubuntu 18.04 LTSlinux-gke-4.15no fix
Ubuntu 18.04 LTSlinux-gke-5.4no fix
Ubuntu 18.04 LTSlinux-gkeop-5.4no fix
Ubuntu 18.04 LTSlinux-hweno fix
Ubuntu 18.04 LTSlinux-hwe-5.45.4.0-91.102~18.04.1
Ubuntu 18.04 LTSlinux-hwe-edgeno fix
Ubuntu 18.04 LTSlinux-kvm4.15.0-1103.105
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Ubuntu 18.04 LTSlinux-oracle4.15.0-1084.92
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Ubuntu 18.04 LTSlinux-oracle-5.3no fix
Ubuntu 18.04 LTSlinux-oracle-5.45.4.0-1058.62~18.04.1
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Ubuntu 20.04 LTSlinux5.4.0-91.102
Ubuntu 20.04 LTSlinux-aws5.4.0-1060.63
Ubuntu 20.04 LTSlinux-aws-5.11no fix
Ubuntu 20.04 LTSlinux-aws-5.13no fix
Ubuntu 20.04 LTSlinux-aws-5.8no fix
Ubuntu 20.04 LTSlinux-azure5.4.0-1064.67
Ubuntu 20.04 LTSlinux-azure-5.11no fix
Ubuntu 20.04 LTSlinux-azure-5.13no fix
Ubuntu 20.04 LTSlinux-azure-5.8no fix
Ubuntu 20.04 LTSlinux-azure-fdeno fix
Ubuntu 20.04 LTSlinux-bluefield5.4.0-1022.25
Ubuntu 20.04 LTSlinux-gcp5.4.0-1058.62
Ubuntu 20.04 LTSlinux-gcp-5.11no fix
Ubuntu 20.04 LTSlinux-gcp-5.13no fix
Ubuntu 20.04 LTSlinux-gcp-5.8no fix
Ubuntu 20.04 LTSlinux-gkeno fix
Ubuntu 20.04 LTSlinux-gke-5.15no fix
Ubuntu 20.04 LTSlinux-gkeop5.4.0-1027.28
Ubuntu 20.04 LTSlinux-hwe-5.11no fix
Ubuntu 20.04 LTSlinux-hwe-5.13no fix
Ubuntu 20.04 LTSlinux-hwe-5.8no fix
Ubuntu 20.04 LTSlinux-ibm5.4.0-1008.9
Ubuntu 20.04 LTSlinux-intel-5.13no fix
Ubuntu 20.04 LTSlinux-kvm5.4.0-1050.52
Ubuntu 20.04 LTSlinux-oem-5.10no fix
Ubuntu 20.04 LTSlinux-oem-5.13no fix
Ubuntu 20.04 LTSlinux-oem-5.14no fix
Ubuntu 20.04 LTSlinux-oem-5.6no fix
Ubuntu 20.04 LTSlinux-oracle5.4.0-1058.62
Ubuntu 20.04 LTSlinux-oracle-5.11no fix
Ubuntu 20.04 LTSlinux-oracle-5.13no fix
Ubuntu 20.04 LTSlinux-oracle-5.8no fix
Ubuntu 20.04 LTSlinux-raspi5.4.0-1047.52
Ubuntu 20.04 LTSlinux-raspi2no fix
Ubuntu 20.04 LTSlinux-riscvno fix
Ubuntu 20.04 LTSlinux-riscv-5.11no fix
Ubuntu 20.04 LTSlinux-riscv-5.8no fix
Ubuntu 22.04 LTSlinux-allwinner-5.19no fix
Ubuntu 22.04 LTSlinux-aws-5.19no fix
Ubuntu 22.04 LTSlinux-aws-6.2no fix
Ubuntu 22.04 LTSlinux-azure-5.19no fix
Ubuntu 22.04 LTSlinux-azure-6.2no fix
Ubuntu 22.04 LTSlinux-azure-fde-5.19no fix
Ubuntu 22.04 LTSlinux-azure-fde-6.2no fix
Ubuntu 22.04 LTSlinux-gcp-5.19no fix
Ubuntu 22.04 LTSlinux-gcp-6.2no fix
Ubuntu 22.04 LTSlinux-hwe-5.19no fix
Ubuntu 22.04 LTSlinux-hwe-6.2no fix
Ubuntu 22.04 LTSlinux-intel-iot-realtimeno fix
Ubuntu 22.04 LTSlinux-lowlatency-hwe-5.19no fix
Ubuntu 22.04 LTSlinux-lowlatency-hwe-6.2no fix
Ubuntu 22.04 LTSlinux-nvidia-6.2no fix
Ubuntu 22.04 LTSlinux-oem-5.17no fix
Ubuntu 22.04 LTSlinux-oem-6.0no fix
Ubuntu 22.04 LTSlinux-oem-6.1no fix
Ubuntu 22.04 LTSlinux-realtimeno fix
Ubuntu 22.04 LTSlinux-riscvno fix
Ubuntu 22.04 LTSlinux-riscv-5.19no fix
Ubuntu 22.04 LTSlinux-starfive-5.19no fix
Ubuntu 22.04 LTSlinux-starfive-6.2no fix
Ubuntu 24.04 LTSlinux-raspi-realtimeno fix
Ubuntu Pro 14.04 LTSlinux-awsno fix
Ubuntu Pro 14.04 LTSlinux-azure4.15.0-1127.140~14.04.1
Ubuntu Pro 14.04 LTSlinux-lts-xenialno fix
Ubuntu Pro 16.04 LTSlinuxno fix
Ubuntu Pro 16.04 LTSlinux-awsno fix
Ubuntu Pro 16.04 LTSlinux-aws-hwe4.15.0-1116.123~16.04.1
Ubuntu Pro 16.04 LTSlinux-azure4.15.0-1127.140~16.04.1
Ubuntu Pro 16.04 LTSlinux-gcp4.15.0-1112.126~16.04.1
Ubuntu Pro 16.04 LTSlinux-hwe4.15.0-163.171~16.04.1
Ubuntu Pro 16.04 LTSlinux-kvmno fix
Ubuntu Pro 16.04 LTSlinux-oracle4.15.0-1084.92~16.04.1
Ubuntu Pro FIPS-updates 16.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS-updates 18.04 LTSlinux-aws-fips4.15.0-2057.59
Ubuntu Pro FIPS-updates 18.04 LTSlinux-azure-fips4.15.0-2039.43
Ubuntu Pro FIPS-updates 18.04 LTSlinux-fips4.15.0-1073.82
Ubuntu Pro FIPS-updates 18.04 LTSlinux-gcp-fips4.15.0-2022.24
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-fips5.4.0-1037.43
Ubuntu Pro FIPS-updates 20.04 LTSlinux-gcp-fips5.4.0-1067.71~20.04.1
Ubuntu Pro FIPS 16.04 LTSlinux-fipsno fix
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
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