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CVE-2024-36347

Fixed in a distro release EPSS <1%CVSS 6.4

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious microcode, potentially resulting in loss of integrity of x86 instruction execution, loss of confidentiality and integrity of data in x86 CPU privileged context and compromise of SMM execution environment.

Published 2025-06-27 · CVE record · OSV

Products: AMD EPYC™ 7001 Series, AMD EPYC™ 7002 Series, AMD EPYC™ 7003 Series, AMD EPYC™ 9004 Series, AMD EPYC™ 4004 Series, AMD EPYC™ 9005 Series, AMD Instinct™ MI300A, AMD Ryzen™ 5000 Series Desktop Processors, AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics, AMD Ryzen™ 3000 Series Desktop Processors, AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 7000 Series Desktop Processors, AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics, AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics, AMD Ryzen™ 9000 Series Desktop Processors, AMD Ryzen™ Threadripper™ 3000 Series Processors, AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors, AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors, AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics, AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics, AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics, AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics, AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics, AMD Ryzen™ 7000 Series Processors with Radeon™ Graphics, AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics, AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 7045 Series Mobile Processors, AMD Ryzen™ AI 300 Series, AMD Ryzen™ AI MAX+, AMD Ryzen™ 9000HX Series Mobile Processors, AMD EPYC™ Embedded 3000, AMD EPYC™ Embedded 7002, AMD EPYC™ Embedded 7003, AMD EPYC™ Embedded 8004, AMD EPYC™ Embedded 9004, AMD EPYC™ Embedded 97X4, AMD Ryzen™ Embedded R1000, AMD Ryzen™ Embedded R2000, AMD Ryzen™ Embedded 5000, AMD Ryzen™ Embedded 7000, AMD Ryzen™ Embedded V1000, AMD Ryzen™ Embedded V2000, AMD Ryzen™Embedded V3000

Distro releases

ReleasePackageFixed in
Ubuntu 14.04 LTSamd64-microcodeno fix
Ubuntu 16.04 LTSlinux-hwe-edgeno fix
Ubuntu 18.04 LTSlinux-aws-5.0no fix
Ubuntu 18.04 LTSlinux-aws-5.3no fix
Ubuntu 18.04 LTSlinux-azureno fix
Ubuntu 18.04 LTSlinux-azure-5.3no fix
Ubuntu 18.04 LTSlinux-azure-edgeno fix
Ubuntu 18.04 LTSlinux-gcpno fix
Ubuntu 18.04 LTSlinux-gcp-5.3no fix
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-edgeno fix
Ubuntu 18.04 LTSlinux-oemno fix
Ubuntu 18.04 LTSlinux-oracle-5.0no fix
Ubuntu 18.04 LTSlinux-oracle-5.3no fix
Ubuntu 20.04 LTSamd64-microcodeno fix
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-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-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-gkeopno fix
Ubuntu 20.04 LTSlinux-gkeop-5.15no fix
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-intel-5.13no fix
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-oracle-5.11no fix
Ubuntu 20.04 LTSlinux-oracle-5.13no fix
Ubuntu 20.04 LTSlinux-oracle-5.8no fix
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 LTSamd64-microcodeno fix
Ubuntu 22.04 LTSlinuxno fix
Ubuntu 22.04 LTSlinux-allwinner-5.19no fix
Ubuntu 22.04 LTSlinux-awsno fix
Ubuntu 22.04 LTSlinux-aws-5.19no fix
Ubuntu 22.04 LTSlinux-aws-6.2no fix
Ubuntu 22.04 LTSlinux-aws-6.5no fix
Ubuntu 22.04 LTSlinux-aws-6.86.8.0-1052.55~22.04.1
Ubuntu 22.04 LTSlinux-azureno fix
Ubuntu 22.04 LTSlinux-azure-5.19no fix
Ubuntu 22.04 LTSlinux-azure-6.2no fix
Ubuntu 22.04 LTSlinux-azure-6.5no fix
Ubuntu 22.04 LTSlinux-azure-6.86.8.0-1059.65~22.04.1
Ubuntu 22.04 LTSlinux-azure-fdeno fix
Ubuntu 22.04 LTSlinux-azure-fde-5.19no fix
Ubuntu 22.04 LTSlinux-azure-fde-6.2no fix
Ubuntu 22.04 LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1
Ubuntu 22.04 LTSlinux-gcpno fix
Ubuntu 22.04 LTSlinux-gcp-5.19no fix
Ubuntu 22.04 LTSlinux-gcp-6.2no fix
Ubuntu 22.04 LTSlinux-gcp-6.5no fix
Ubuntu 22.04 LTSlinux-gcp-6.86.8.0-1054.57~22.04.1
Ubuntu 22.04 LTSlinux-gkeno fix
Ubuntu 22.04 LTSlinux-gkeopno fix
Ubuntu 22.04 LTSlinux-hwe-5.19no fix
Ubuntu 22.04 LTSlinux-hwe-6.2no fix
Ubuntu 22.04 LTSlinux-hwe-6.5no fix
Ubuntu 22.04 LTSlinux-hwe-6.86.8.0-110.110~22.04.1
Ubuntu 22.04 LTSlinux-ibmno fix
Ubuntu 22.04 LTSlinux-ibm-6.86.8.0-1051.51~22.04.1
Ubuntu 22.04 LTSlinux-intel-iot-realtimeno fix
Ubuntu 22.04 LTSlinux-intel-iotgno fix
Ubuntu 22.04 LTSlinux-kvmno fix
Ubuntu 22.04 LTSlinux-lowlatencyno fix
Ubuntu 22.04 LTSlinux-lowlatency-hwe-5.19no fix
Ubuntu 22.04 LTSlinux-lowlatency-hwe-6.2no fix
Ubuntu 22.04 LTSlinux-lowlatency-hwe-6.5no fix
Ubuntu 22.04 LTSlinux-lowlatency-hwe-6.86.8.0-110.110.1~22.04.1
Ubuntu 22.04 LTSlinux-nvidiano fix
Ubuntu 22.04 LTSlinux-nvidia-6.2no fix
Ubuntu 22.04 LTSlinux-nvidia-6.5no fix
Ubuntu 22.04 LTSlinux-nvidia-6.86.8.0-1051.54~22.04.1
Ubuntu 22.04 LTSlinux-nvidia-tegrano fix
Ubuntu 22.04 LTSlinux-nvidia-tegra-igxno 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-oem-6.5no fix
Ubuntu 22.04 LTSlinux-oracleno fix
Ubuntu 22.04 LTSlinux-oracle-6.5no fix
Ubuntu 22.04 LTSlinux-oracle-6.86.8.0-1049.50~22.04.1
Ubuntu 22.04 LTSlinux-raspino 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-riscv-6.5no fix
Ubuntu 22.04 LTSlinux-riscv-6.86.8.0-110.110~22.04.1
Ubuntu 22.04 LTSlinux-starfive-5.19no fix
Ubuntu 22.04 LTSlinux-starfive-6.2no fix
Ubuntu 22.04 LTSlinux-starfive-6.5no fix
Ubuntu 22.04 LTSlinux-xilinx-zynqmpno fix
Ubuntu 24.04 LTSamd64-microcodeno fix
Ubuntu 24.04 LTSlinux6.8.0-110.110
Ubuntu 24.04 LTSlinux-aws6.8.0-1052.55
Ubuntu 24.04 LTSlinux-aws-6.14no fix
Ubuntu 24.04 LTSlinux-aws-6.176.17.0-1012.12~24.04.1
Ubuntu 24.04 LTSlinux-azure6.8.0-1054.60
Ubuntu 24.04 LTSlinux-azure-6.11no fix
Ubuntu 24.04 LTSlinux-azure-6.14no fix
Ubuntu 24.04 LTSlinux-azure-6.176.17.0-1013.13~24.04.1
Ubuntu 24.04 LTSlinux-azure-fde6.8.0-1058.65
Ubuntu 24.04 LTSlinux-azure-fde-6.14no fix
Ubuntu 24.04 LTSlinux-azure-nvidiano fix
Ubuntu 24.04 LTSlinux-azure-nvidia-6.14no fix
Ubuntu 24.04 LTSlinux-gcp6.8.0-1054.57
Ubuntu 24.04 LTSlinux-gcp-6.11no fix
Ubuntu 24.04 LTSlinux-gcp-6.14no fix
Ubuntu 24.04 LTSlinux-gcp-6.176.17.0-1012.12~24.04.1
Ubuntu 24.04 LTSlinux-gke6.8.0-1050.56
Ubuntu 24.04 LTSlinux-gkeop6.8.0-1037.40
Ubuntu 24.04 LTSlinux-hwe-6.11no fix
Ubuntu 24.04 LTSlinux-hwe-6.14no fix
Ubuntu 24.04 LTSlinux-hwe-6.176.17.0-22.22~24.04.1
Ubuntu 24.04 LTSlinux-ibm6.8.0-1051.51
Ubuntu 24.04 LTSlinux-intelno fix
Ubuntu 24.04 LTSlinux-lowlatency6.8.0-110.110.1
Ubuntu 24.04 LTSlinux-lowlatency-hwe-6.11no fix
Ubuntu 24.04 LTSlinux-nvidia6.8.0-1051.54
Ubuntu 24.04 LTSlinux-nvidia-6.11no fix
Ubuntu 24.04 LTSlinux-nvidia-6.176.17.0-1018.18
Ubuntu 24.04 LTSlinux-nvidia-lowlatency6.8.0-1051.54.1
Ubuntu 24.04 LTSlinux-nvidia-tegra6.8.0-1022.22
Ubuntu 24.04 LTSlinux-oem-6.11no fix
Ubuntu 24.04 LTSlinux-oem-6.14no fix
Ubuntu 24.04 LTSlinux-oem-6.176.17.0-1020.20
Ubuntu 24.04 LTSlinux-oem-6.8no fix
Ubuntu 24.04 LTSlinux-oracle6.8.0-1049.50
Ubuntu 24.04 LTSlinux-oracle-6.176.17.0-1011.11~24.04.1
Ubuntu 24.04 LTSlinux-raspi6.8.0-1052.56
Ubuntu 24.04 LTSlinux-raspi-realtimeno fix
Ubuntu 24.04 LTSlinux-realtimeno fix
Ubuntu 24.04 LTSlinux-riscvno fix
Ubuntu 24.04 LTSlinux-riscv-6.176.17.0-22.22.1~24.04.1
Ubuntu 24.04 LTSlinux-xilinx6.8.0-1028.29
Ubuntu 24.04 LTSlinux-xilinx6.8.0-1029.30
Ubuntu 25.10amd64-microcodeno fix
Ubuntu 25.10linux6.17.0-22.22
Ubuntu 25.10linux-aws6.17.0-1012.12
Ubuntu 25.10linux-azure6.17.0-1013.13
Ubuntu 25.10linux-azure-fdeno fix
Ubuntu 25.10linux-gcp6.17.0-1012.12
Ubuntu 25.10linux-oracle6.17.0-1011.11
Ubuntu 25.10linux-raspi6.17.0-1013.13
Ubuntu 25.10linux-raspi6.17.0-1014.14
Ubuntu 25.10linux-realtime6.17.0-1010.11
Ubuntu 25.10linux-riscv6.17.0-22.22.1
Ubuntu 26.04 LTSamd64-microcodeno fix
Ubuntu 26.10amd64-microcodeno fix
Ubuntu Nvidia-BlueField 22.04 LTSlinux-bluefieldno fix
Ubuntu Nvidia-BlueField 24.04 LTSlinux-bluefield6.8.0-1017.21
Ubuntu Pro 14.04 LTSlinuxno fix
Ubuntu Pro 14.04 LTSlinux-awsno fix
Ubuntu Pro 14.04 LTSlinux-azureno fix
Ubuntu Pro 14.04 LTSlinux-lts-xenialno fix
Ubuntu Pro 16.04 LTSamd64-microcodeno fix
Ubuntu Pro 16.04 LTSlinuxno fix
Ubuntu Pro 16.04 LTSlinux-awsno fix
Ubuntu Pro 16.04 LTSlinux-aws-hweno fix
Ubuntu Pro 16.04 LTSlinux-azureno fix
Ubuntu Pro 16.04 LTSlinux-gcpno fix
Ubuntu Pro 16.04 LTSlinux-hweno fix
Ubuntu Pro 16.04 LTSlinux-kvmno fix
Ubuntu Pro 16.04 LTSlinux-oracleno fix
Ubuntu Pro 18.04 LTSamd64-microcodeno fix
Ubuntu Pro 18.04 LTSlinuxno fix
Ubuntu Pro 18.04 LTSlinux-awsno fix
Ubuntu Pro 18.04 LTSlinux-aws-5.4no fix
Ubuntu Pro 18.04 LTSlinux-azure-4.15no fix
Ubuntu Pro 18.04 LTSlinux-azure-5.4no fix
Ubuntu Pro 18.04 LTSlinux-gcp-4.15no fix
Ubuntu Pro 18.04 LTSlinux-gcp-5.4no fix
Ubuntu Pro 18.04 LTSlinux-hwe-5.4no fix
Ubuntu Pro 18.04 LTSlinux-ibm-5.4no fix
Ubuntu Pro 18.04 LTSlinux-kvmno fix
Ubuntu Pro 18.04 LTSlinux-oracleno fix
Ubuntu Pro 18.04 LTSlinux-oracle-5.4no fix
Ubuntu Pro 18.04 LTSlinux-raspi-5.4no fix
Ubuntu Pro 20.04 LTSlinuxno fix
Ubuntu Pro 20.04 LTSlinux-awsno fix
Ubuntu Pro 20.04 LTSlinux-aws-5.15no fix
Ubuntu Pro 20.04 LTSlinux-azureno fix
Ubuntu Pro 20.04 LTSlinux-azure-5.15no fix
Ubuntu Pro 20.04 LTSlinux-azure-fde-5.15no fix
Ubuntu Pro 20.04 LTSlinux-bluefieldno fix
Ubuntu Pro 20.04 LTSlinux-gcpno fix
Ubuntu Pro 20.04 LTSlinux-gcp-5.15no fix
Ubuntu Pro 20.04 LTSlinux-hwe-5.15no fix
Ubuntu Pro 20.04 LTSlinux-ibmno fix
Ubuntu Pro 20.04 LTSlinux-ibm-5.15no fix
Ubuntu Pro 20.04 LTSlinux-intel-iotg-5.15no fix
Ubuntu Pro 20.04 LTSlinux-iotno fix
Ubuntu Pro 20.04 LTSlinux-kvmno fix
Ubuntu Pro 20.04 LTSlinux-lowlatency-hwe-5.15no fix
Ubuntu Pro 20.04 LTSlinux-nvidia-tegra-5.15no fix
Ubuntu Pro 20.04 LTSlinux-oracleno fix
Ubuntu Pro 20.04 LTSlinux-oracle-5.15no fix
Ubuntu Pro 20.04 LTSlinux-raspino fix
Ubuntu Pro 20.04 LTSlinux-riscv-5.15no fix
Ubuntu Pro 20.04 LTSlinux-xilinx-zynqmpno fix
Ubuntu Pro FIPS-preview 22.04 LTSlinux-aws-fipsno fix
Ubuntu Pro FIPS-preview 22.04 LTSlinux-azure-fipsno fix
Ubuntu Pro FIPS-preview 22.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS-preview 22.04 LTSlinux-gcp-fipsno fix
Ubuntu Pro FIPS-updates 16.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS-updates 18.04 LTSlinux-aws-fipsno fix
Ubuntu Pro FIPS-updates 18.04 LTSlinux-azure-fipsno fix
Ubuntu Pro FIPS-updates 18.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS-updates 18.04 LTSlinux-gcp-fipsno fix
Ubuntu Pro FIPS-updates 20.04 LTSlinux-aws-fipsno fix
Ubuntu Pro FIPS-updates 20.04 LTSlinux-azure-fipsno fix
Ubuntu Pro FIPS-updates 20.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS-updates 20.04 LTSlinux-gcp-fipsno fix
Ubuntu Pro FIPS-updates 22.04 LTSlinux-aws-fipsno fix
Ubuntu Pro FIPS-updates 22.04 LTSlinux-azure-fipsno fix
Ubuntu Pro FIPS-updates 22.04 LTSlinux-fipsno fix
Ubuntu Pro FIPS-updates 22.04 LTSlinux-gcp-fipsno fix
Ubuntu Pro FIPS-updates 24.04 LTSlinux-aws-fips6.8.0-1052.55+fips1
Ubuntu Pro FIPS-updates 24.04 LTSlinux-azure-fips6.8.0-1054.60+fips1
Ubuntu Pro FIPS-updates 24.04 LTSlinux-azure-fips6.8.0-1053.59+fips1
Ubuntu Pro FIPS-updates 24.04 LTSlinux-fips6.8.0-110.110+fips2
Ubuntu Pro FIPS-updates 24.04 LTSlinux-gcp-fips6.8.0-1054.57+fips1
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
Ubuntu Pro Realtime 22.04 LTSlinux-intel-iot-realtimeno fix
Ubuntu Pro Realtime 22.04 LTSlinux-realtimeno fix
Ubuntu Pro Realtime 22.04 LTSlinux-realtime-6.86.8.1-1047.48~22.04.1
Ubuntu Pro Realtime 24.04 LTSlinux-raspi-realtime6.8.0-2042.43
Ubuntu Pro Realtime 24.04 LTSlinux-realtime6.8.1-1047.48
Ubuntu Pro Realtime 24.04 LTSlinux-realtime-6.176.17.0-1010.11~24.04.1