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5.5

CVE-2025-38334: Linux kernel SGX page reclamation can cause system crash

CVE-2025-38334 · published 1 year ago
Summary

The Linux kernel’s support for Intel SGX can try to reuse memory pages that have been marked as faulty. Doing so may trigger a processor error that crashes the system and forces a reboot. Apply the latest kernel updates from your Linux distribution to prevent this behavior.

What to do
  • Update canonical linux-azure to version 6.8.0-1046.52.
  • Update canonical linux-azure-6.14 to version 6.14.0-1014.14~24.04.1.
  • Update canonical linux-azure-nvidia-6.14 to version 6.14.0-1007.7.
  • Update canonical rootio-linux to version 6.8.0-110.110.root.io.63.
  • Update canonical rootio-linux to version 6.8.0-117.117.root.io.67.
  • Update canonical linux-azure-6.8 to version 6.8.0-1051.57~22.04.1.
  • Update canonical linux-nvidia-tegra to version 6.8.0-1020.20.
  • Update canonical linux-aws-6.8 to version 6.8.0-1046.49~22.04.1.
  • Update canonical linux-gcp-6.8 to version 6.8.0-1047.50~22.04.2.
  • Update canonical linux-hwe-6.8 to version 6.8.0-100.100~22.04.1.
  • Update canonical linux-ibm-6.8 to version 6.8.0-1044.44~22.04.1.
  • Update canonical linux-lowlatency-hwe-6.8 to version 6.8.0-100.100.1~22.04.1.
  • Update canonical linux-nvidia-6.8 to version 6.8.0-1046.49~22.04.1.
  • Update canonical linux-oracle-6.8 to version 6.8.0-1043.44~22.04.1.
  • Update canonical linux-riscv-6.8 to version 6.8.0-100.100~22.04.1.
  • Update canonical linux-realtime-6.8 to version 6.8.1-1041.42~22.04.1.
  • Update canonical linux to version 6.8.0-100.100.
  • Update canonical linux-aws to version 6.8.0-1046.49.
  • Update canonical linux-aws-6.14 to version 6.14.0-1015.15~24.04.1.
  • Update canonical linux-gcp to version 6.8.0-1047.50.
  • Update canonical linux-gcp-6.14 to version 6.14.0-1018.19~24.04.1.
  • Update canonical linux-gke to version 6.8.0-1043.48.
  • Update canonical linux-gkeop to version 6.8.0-1030.33.
  • Update canonical linux-ibm to version 6.8.0-1044.44.
  • Update canonical linux-lowlatency to version 6.8.0-100.100.1.
  • Update canonical linux-nvidia to version 6.8.0-1046.49.
  • Update canonical linux-nvidia-lowlatency to version 6.8.0-1046.49.1.
  • Update canonical linux-oem-6.14 to version 6.14.0-1014.14.
  • Update canonical linux-oracle to version 6.8.0-1043.44.
  • Update canonical linux-oracle-6.14 to version 6.14.0-1015.15~24.04.1.
  • Update canonical linux-raspi to version 6.8.0-1047.51.
  • Update canonical linux-riscv-6.14 to version 6.14.0-34.34.1~24.04.1.
  • Update canonical linux-xilinx to version 6.8.0-1023.24.
  • Update canonical linux-aws-fips to version 6.8.0-1046.49+fips1.
  • Update canonical linux-azure-fips to version 6.8.0-1046.52+fips1.
  • Update canonical linux-fips to version 6.8.0-100.100+fips1.
  • Update canonical linux-gcp-fips to version 6.8.0-1047.50+fips1.
  • Update canonical linux-raspi-realtime to version 6.8.0-2037.38.
  • Update canonical linux-realtime to version 6.8.1-1041.42.
  • Update canonical linux-realtime-6.14 to version 6.14.0-1014.14~24.04.1.
  • Update debian rootio-linux to version 6.1.164-1.root.io.108.
  • Update canonical linux to version 5.15.0-187.197.aikido.112.
  • Update canonical rootio-linux to version 5.15.0-187.197.aikido.112.
  • Update canonical rootio-linux to version 6.8.0-111.111.root.io.65.
  • Update canonical rootio-linux to version 6.8.0-111.111.root.io.66.
  • Update canonical rootio-linux to version 6.8.0-117.117.root.io.68.
  • Update canonical rootio-linux to version 6.8.0-124.124.root.io.70.
  • Update canonical rootio-linux to version 6.8.0-124.124.root.io.71.
  • Update canonical rootio-linux to version 6.8.0-124.124.root.io.73.
  • Update canonical rootio-linux to version 6.8.0-134.134.root.io.79.
  • Update canonical rootio-linux to version 6.8.0-134.134.root.io.80.
  • Update canonical rootio-linux to version 6.8.0-136.136.root.io.82.
  • Update canonical rootio-linux to version 6.8.0-136.136.root.io.83.
  • Update canonical linux-bluefield to version 6.8.0-1016.20.
  • Update linux to version 6.8.0-146.146.aikido.89.
  • Update rootio-linux to version 6.8.0-146.146.aikido.89.
  • Update linux to version 5.15.0-198.208.aikido.116.
  • Update rootio-linux to version 5.15.0-198.208.aikido.116.
  • Update canonical linux-azure-fde-6.8 to version 6.8.0-1046.53~22.04.1.
  • Update canonical linux-azure-fde to version 6.8.0-1046.53.
  • Update linux to version 6.8.0-147.147.aikido.90.
  • Update rootio-linux to version 6.8.0-147.147.aikido.90.
  • Update linux kernel to version 6.15.4.
  • Update linux to version 6.1.190-1.aikido.167.
  • Update rootio-linux to version 6.1.190-1.aikido.167.
  • Update linux to version 5.15.0-202.212.aikido.118.
  • Update rootio-linux to version 5.15.0-202.212.aikido.118.
Affected software
Ecosystem VendorProductAffected versions
– linux linux_kernel >= 5.11, < 6.1.142
>= 6.2, < 6.6.95
>= 6.7, < 6.12.35
>= 6.13, < 6.15.4
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
– debian debian_linux 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Ubuntu:Pro:14.04:LTS canonical linux All versions
Ubuntu:Pro:14.04:LTS canonical linux-aws All versions
Ubuntu:Pro:14.04:LTS canonical linux-azure All versions
Ubuntu:Pro:14.04:LTS canonical linux-lts-xenial All versions
Ubuntu:Pro:16.04:LTS canonical linux All versions
Ubuntu:Pro:16.04:LTS canonical linux-aws All versions
Ubuntu:Pro:16.04:LTS canonical linux-aws-hwe All versions
Ubuntu:Pro:16.04:LTS canonical linux-azure All versions
Ubuntu:Pro:16.04:LTS canonical linux-gcp All versions
Ubuntu:Pro:16.04:LTS canonical linux-hwe All versions
Ubuntu:16.04:LTS canonical linux-hwe-edge All versions
Ubuntu:Pro:16.04:LTS canonical linux-kvm All versions
Ubuntu:Pro:16.04:LTS canonical linux-oracle All versions
Ubuntu:Pro:FIPS:16.04:LTS canonical linux-fips All versions
Ubuntu:Pro:18.04:LTS canonical linux All versions
Ubuntu:Pro:18.04:LTS canonical linux-aws All versions
Ubuntu:18.04:LTS canonical linux-aws-5.0 All versions
Ubuntu:18.04:LTS canonical linux-aws-5.3 All versions
Ubuntu:Pro:18.04:LTS canonical linux-aws-5.4 All versions
Ubuntu:18.04:LTS canonical linux-azure All versions
Ubuntu:Pro:18.04:LTS canonical linux-azure-4.15 All versions
Ubuntu:18.04:LTS canonical linux-azure-5.3 All versions
Ubuntu:24.04:LTS canonical linux-azure < 6.8.0-1046.52
Fix: upgrade to 6.8.0-1046.52
Ubuntu:24.04:LTS canonical linux-azure-6.11 All versions
Ubuntu:24.04:LTS canonical linux-azure-6.14 < 6.14.0-1014.14~24.04.1
Fix: upgrade to 6.14.0-1014.14~24.04.1
Ubuntu:24.04:LTS canonical linux-azure-fde < 6.8.0-1046.53
Fix: upgrade to 6.8.0-1046.53
Ubuntu:24.04:LTS canonical linux-azure-fde-6.17 All versions
Ubuntu:24.04:LTS canonical linux-azure-nvidia All versions
Ubuntu:24.04:LTS canonical linux-azure-nvidia-6.14 < 6.14.0-1007.7
Fix: upgrade to 6.14.0-1007.7
Root:Ubuntu:24.04 canonical rootio-linux < 6.8.0-110.110.root.io.63
< 6.8.0-117.117.root.io.67
< 6.8.0-111.111.root.io.65
< 6.8.0-111.111.root.io.66
< 6.8.0-117.117.root.io.68
< 6.8.0-124.124.root.io.70
< 6.8.0-124.124.root.io.71
< 6.8.0-124.124.root.io.73
< 6.8.0-134.134.root.io.79
< 6.8.0-134.134.root.io.80
< 6.8.0-136.136.root.io.82
< 6.8.0-136.136.root.io.83
Fix: upgrade to 6.8.0-110.110.root.io.63
Ubuntu:22.04:LTS canonical linux-azure-6.8 < 6.8.0-1051.57~22.04.1
Fix: upgrade to 6.8.0-1051.57~22.04.1
Ubuntu:24.04:LTS canonical linux-nvidia-tegra < 6.8.0-1020.20
Fix: upgrade to 6.8.0-1020.20
Ubuntu:Pro:18.04:LTS canonical linux-azure-5.4 All versions
Ubuntu:18.04:LTS canonical linux-azure-edge All versions
Ubuntu:18.04:LTS canonical linux-gcp All versions
Ubuntu:Pro:18.04:LTS canonical linux-gcp-4.15 All versions
Ubuntu:18.04:LTS canonical linux-gcp-5.3 All versions
Ubuntu:Pro:18.04:LTS canonical linux-gcp-5.4 All versions
Ubuntu:18.04:LTS canonical linux-gke-4.15 All versions
Ubuntu:18.04:LTS canonical linux-gke-5.4 All versions
Ubuntu:18.04:LTS canonical linux-gkeop-5.4 All versions
Ubuntu:18.04:LTS canonical linux-hwe All versions
Ubuntu:Pro:18.04:LTS canonical linux-hwe-5.4 All versions
Ubuntu:18.04:LTS canonical linux-hwe-edge All versions
Ubuntu:Pro:18.04:LTS canonical linux-ibm-5.4 All versions
Ubuntu:Pro:18.04:LTS canonical linux-kvm All versions
Ubuntu:18.04:LTS canonical linux-oem All versions
Ubuntu:Pro:18.04:LTS canonical linux-oracle All versions
Showing 50 of 238. Show the rest
Ecosystem VendorProductAffected versions
Ubuntu:18.04:LTS canonical linux-oracle-5.0 All versions
Ubuntu:18.04:LTS canonical linux-oracle-5.3 All versions
Ubuntu:Pro:18.04:LTS canonical linux-oracle-5.4 All versions
Ubuntu:Pro:18.04:LTS canonical linux-raspi-5.4 All versions
Ubuntu:Pro:FIPS-updates:18.04:LTS canonical linux-aws-fips All versions
Ubuntu:Pro:FIPS-updates:18.04:LTS canonical linux-azure-fips All versions
Ubuntu:Pro:FIPS-updates:18.04:LTS canonical linux-fips All versions
Ubuntu:Pro:FIPS-updates:18.04:LTS canonical linux-gcp-fips All versions
Ubuntu:Pro:FIPS:18.04:LTS canonical linux-aws-fips All versions
Ubuntu:Pro:FIPS:18.04:LTS canonical linux-azure-fips All versions
Ubuntu:Pro:FIPS:18.04:LTS canonical linux-fips All versions
Ubuntu:Pro:FIPS:18.04:LTS canonical linux-gcp-fips All versions
Ubuntu:Pro:20.04:LTS canonical linux All versions
Ubuntu:Pro:20.04:LTS canonical linux-aws All versions
Ubuntu:20.04:LTS canonical linux-aws-5.11 All versions
Ubuntu:20.04:LTS canonical linux-aws-5.13 All versions
Ubuntu:Pro:20.04:LTS canonical linux-aws-5.15 All versions
Ubuntu:20.04:LTS canonical linux-aws-5.8 All versions
Ubuntu:Pro:20.04:LTS canonical linux-azure All versions
Ubuntu:20.04:LTS canonical linux-azure-5.11 All versions
Ubuntu:20.04:LTS canonical linux-azure-5.13 All versions
Ubuntu:Pro:20.04:LTS canonical linux-azure-5.15 All versions
Ubuntu:20.04:LTS canonical linux-azure-5.8 All versions
Ubuntu:20.04:LTS canonical linux-azure-fde All versions
Ubuntu:Pro:20.04:LTS canonical linux-azure-fde-5.15 All versions
Ubuntu:Pro:20.04:LTS canonical linux-bluefield All versions
Ubuntu:Pro:20.04:LTS canonical linux-gcp All versions
Ubuntu:20.04:LTS canonical linux-gcp-5.11 All versions
Ubuntu:20.04:LTS canonical linux-gcp-5.13 All versions
Ubuntu:Pro:20.04:LTS canonical linux-gcp-5.15 All versions
Ubuntu:20.04:LTS canonical linux-gcp-5.8 All versions
Ubuntu:20.04:LTS canonical linux-gke All versions
Ubuntu:20.04:LTS canonical linux-gke-5.15 All versions
Ubuntu:20.04:LTS canonical linux-gkeop All versions
Ubuntu:20.04:LTS canonical linux-gkeop-5.15 All versions
Ubuntu:20.04:LTS canonical linux-hwe-5.11 All versions
Ubuntu:20.04:LTS canonical linux-hwe-5.13 All versions
Ubuntu:Pro:20.04:LTS canonical linux-hwe-5.15 All versions
Ubuntu:20.04:LTS canonical linux-hwe-5.8 All versions
Ubuntu:Pro:20.04:LTS canonical linux-ibm All versions
Ubuntu:Pro:20.04:LTS canonical linux-ibm-5.15 All versions
Ubuntu:20.04:LTS canonical linux-intel-5.13 All versions
Ubuntu:Pro:20.04:LTS canonical linux-intel-iotg-5.15 All versions
Ubuntu:Pro:20.04:LTS canonical linux-iot All versions
Ubuntu:Pro:20.04:LTS canonical linux-kvm All versions
Ubuntu:Pro:20.04:LTS canonical linux-lowlatency-hwe-5.15 All versions
Ubuntu:Pro:20.04:LTS canonical linux-nvidia-tegra-5.15 All versions
Ubuntu:20.04:LTS canonical linux-oem-5.10 All versions
Ubuntu:20.04:LTS canonical linux-oem-5.13 All versions
Ubuntu:20.04:LTS canonical linux-oem-5.14 All versions
Ubuntu:20.04:LTS canonical linux-oem-5.6 All versions
Ubuntu:Pro:20.04:LTS canonical linux-oracle All versions
Ubuntu:20.04:LTS canonical linux-oracle-5.11 All versions
Ubuntu:20.04:LTS canonical linux-oracle-5.13 All versions
Ubuntu:Pro:20.04:LTS canonical linux-oracle-5.15 All versions
Ubuntu:20.04:LTS canonical linux-oracle-5.8 All versions
Ubuntu:Pro:20.04:LTS canonical linux-raspi All versions
Ubuntu:20.04:LTS canonical linux-raspi2 All versions
Ubuntu:20.04:LTS canonical linux-riscv All versions
Ubuntu:20.04:LTS canonical linux-riscv-5.11 All versions
Ubuntu:Pro:20.04:LTS canonical linux-riscv-5.15 All versions
Ubuntu:20.04:LTS canonical linux-riscv-5.8 All versions
Ubuntu:Pro:20.04:LTS canonical linux-xilinx-zynqmp All versions
Ubuntu:Pro:FIPS-updates:20.04:LTS canonical linux-aws-fips All versions
Ubuntu:Pro:FIPS-updates:20.04:LTS canonical linux-azure-fips All versions
Ubuntu:Pro:FIPS-updates:20.04:LTS canonical linux-fips All versions
Ubuntu:Pro:FIPS-updates:20.04:LTS canonical linux-gcp-fips All versions
Ubuntu:Pro:FIPS:20.04:LTS canonical linux-aws-fips All versions
Ubuntu:Pro:FIPS:20.04:LTS canonical linux-azure-fips All versions
Ubuntu:Pro:FIPS:20.04:LTS canonical linux-fips All versions
Ubuntu:Pro:FIPS:20.04:LTS canonical linux-gcp-fips All versions
Ubuntu:22.04:LTS canonical linux All versions
Ubuntu:22.04:LTS canonical linux-allwinner-5.19 All versions
Ubuntu:22.04:LTS canonical linux-aws All versions
Ubuntu:22.04:LTS canonical linux-aws-5.19 All versions
Ubuntu:22.04:LTS canonical linux-aws-6.2 All versions
Ubuntu:22.04:LTS canonical linux-aws-6.5 All versions
Ubuntu:22.04:LTS canonical linux-aws-6.8 < 6.8.0-1046.49~22.04.1
Fix: upgrade to 6.8.0-1046.49~22.04.1
Ubuntu:22.04:LTS canonical linux-azure All versions
Ubuntu:22.04:LTS canonical linux-azure-5.19 All versions
Ubuntu:22.04:LTS canonical linux-azure-6.2 All versions
Ubuntu:22.04:LTS canonical linux-azure-6.5 All versions
Ubuntu:22.04:LTS canonical linux-azure-fde All versions
Ubuntu:22.04:LTS canonical linux-azure-fde-5.19 All versions
Ubuntu:22.04:LTS canonical linux-azure-fde-6.2 All versions
Ubuntu:22.04:LTS canonical linux-azure-fde-6.8 < 6.8.0-1046.53~22.04.1
Fix: upgrade to 6.8.0-1046.53~22.04.1
Ubuntu:22.04:LTS canonical linux-gcp All versions
Ubuntu:22.04:LTS canonical linux-gcp-5.19 All versions
Ubuntu:22.04:LTS canonical linux-gcp-6.2 All versions
Ubuntu:22.04:LTS canonical linux-gcp-6.5 All versions
Ubuntu:22.04:LTS canonical linux-gcp-6.8 < 6.8.0-1047.50~22.04.2
Fix: upgrade to 6.8.0-1047.50~22.04.2
Ubuntu:22.04:LTS canonical linux-gke All versions
Ubuntu:22.04:LTS canonical linux-gkeop All versions
Ubuntu:22.04:LTS canonical linux-hwe-5.19 All versions
Ubuntu:22.04:LTS canonical linux-hwe-6.2 All versions
Ubuntu:22.04:LTS canonical linux-hwe-6.5 All versions
Ubuntu:22.04:LTS canonical linux-hwe-6.8 < 6.8.0-100.100~22.04.1
Fix: upgrade to 6.8.0-100.100~22.04.1
Ubuntu:22.04:LTS canonical linux-ibm All versions
Ubuntu:22.04:LTS canonical linux-ibm-6.8 < 6.8.0-1044.44~22.04.1
Fix: upgrade to 6.8.0-1044.44~22.04.1
Ubuntu:22.04:LTS canonical linux-intel-iot-realtime All versions
Ubuntu:22.04:LTS canonical linux-intel-iotg All versions
Ubuntu:22.04:LTS canonical linux-kvm All versions
Ubuntu:22.04:LTS canonical linux-lowlatency All versions
Ubuntu:22.04:LTS canonical linux-lowlatency-hwe-5.19 All versions
Ubuntu:22.04:LTS canonical linux-lowlatency-hwe-6.2 All versions
Ubuntu:22.04:LTS canonical linux-lowlatency-hwe-6.5 All versions
Ubuntu:22.04:LTS canonical linux-lowlatency-hwe-6.8 < 6.8.0-100.100.1~22.04.1
Fix: upgrade to 6.8.0-100.100.1~22.04.1
Ubuntu:22.04:LTS canonical linux-nvidia All versions
Ubuntu:22.04:LTS canonical linux-nvidia-6.2 All versions
Ubuntu:22.04:LTS canonical linux-nvidia-6.5 All versions
Ubuntu:22.04:LTS canonical linux-nvidia-6.8 < 6.8.0-1046.49~22.04.1
Fix: upgrade to 6.8.0-1046.49~22.04.1
Ubuntu:22.04:LTS canonical linux-nvidia-tegra All versions
Ubuntu:22.04:LTS canonical linux-nvidia-tegra-igx All versions
Ubuntu:22.04:LTS canonical linux-oem-5.17 All versions
Ubuntu:22.04:LTS canonical linux-oem-6.0 All versions
Ubuntu:22.04:LTS canonical linux-oem-6.1 All versions
Ubuntu:22.04:LTS canonical linux-oem-6.5 All versions
Ubuntu:22.04:LTS canonical linux-oracle All versions
Ubuntu:22.04:LTS canonical linux-oracle-6.5 All versions
Ubuntu:22.04:LTS canonical linux-oracle-6.8 < 6.8.0-1043.44~22.04.1
Fix: upgrade to 6.8.0-1043.44~22.04.1
Ubuntu:22.04:LTS canonical linux-raspi All versions
Ubuntu:22.04:LTS canonical linux-realtime All versions
Ubuntu:22.04:LTS canonical linux-riscv All versions
Ubuntu:22.04:LTS canonical linux-riscv-5.19 All versions
Ubuntu:22.04:LTS canonical linux-riscv-6.5 All versions
Ubuntu:22.04:LTS canonical linux-riscv-6.8 < 6.8.0-100.100~22.04.1
Fix: upgrade to 6.8.0-100.100~22.04.1
Ubuntu:22.04:LTS canonical linux-starfive-5.19 All versions
Ubuntu:22.04:LTS canonical linux-starfive-6.2 All versions
Ubuntu:22.04:LTS canonical linux-starfive-6.5 All versions
Ubuntu:22.04:LTS canonical linux-xilinx-zynqmp All versions
Ubuntu:Nvidia-BlueField:22.04:LTS canonical linux-bluefield All versions
Ubuntu:Pro:FIPS-preview:22.04:LTS canonical linux-aws-fips All versions
Ubuntu:Pro:FIPS-preview:22.04:LTS canonical linux-azure-fips All versions
Ubuntu:Pro:FIPS-preview:22.04:LTS canonical linux-fips All versions
Ubuntu:Pro:FIPS-preview:22.04:LTS canonical linux-gcp-fips All versions
Ubuntu:Pro:FIPS-updates:22.04:LTS canonical linux-aws-fips All versions
Ubuntu:Pro:FIPS-updates:22.04:LTS canonical linux-azure-fips All versions
Ubuntu:Pro:FIPS-updates:22.04:LTS canonical linux-fips All versions
Ubuntu:Pro:FIPS-updates:22.04:LTS canonical linux-gcp-fips All versions
Ubuntu:Pro:Realtime:22.04:LTS canonical linux-intel-iot-realtime All versions
Ubuntu:Pro:Realtime:22.04:LTS canonical linux-realtime All versions
Ubuntu:Pro:Realtime:22.04:LTS canonical linux-realtime-6.8 < 6.8.1-1041.42~22.04.1
Fix: upgrade to 6.8.1-1041.42~22.04.1
Ubuntu:24.04:LTS canonical linux < 6.8.0-100.100
Fix: upgrade to 6.8.0-100.100
Ubuntu:24.04:LTS canonical linux-aws < 6.8.0-1046.49
Fix: upgrade to 6.8.0-1046.49
Ubuntu:24.04:LTS canonical linux-aws-6.14 < 6.14.0-1015.15~24.04.1
Fix: upgrade to 6.14.0-1015.15~24.04.1
Ubuntu:24.04:LTS canonical linux-gcp < 6.8.0-1047.50
Fix: upgrade to 6.8.0-1047.50
Ubuntu:24.04:LTS canonical linux-gcp-6.11 All versions
Ubuntu:24.04:LTS canonical linux-gcp-6.14 < 6.14.0-1018.19~24.04.1
Fix: upgrade to 6.14.0-1018.19~24.04.1
Ubuntu:24.04:LTS canonical linux-gke < 6.8.0-1043.48
Fix: upgrade to 6.8.0-1043.48
Ubuntu:24.04:LTS canonical linux-gkeop < 6.8.0-1030.33
Fix: upgrade to 6.8.0-1030.33
Ubuntu:24.04:LTS canonical linux-hwe-6.11 All versions
Ubuntu:24.04:LTS canonical linux-ibm < 6.8.0-1044.44
Fix: upgrade to 6.8.0-1044.44
Ubuntu:24.04:LTS canonical linux-intel All versions
Ubuntu:24.04:LTS canonical linux-lowlatency < 6.8.0-100.100.1
Fix: upgrade to 6.8.0-100.100.1
Ubuntu:24.04:LTS canonical linux-lowlatency-hwe-6.11 All versions
Ubuntu:24.04:LTS canonical linux-nvidia < 6.8.0-1046.49
Fix: upgrade to 6.8.0-1046.49
Ubuntu:24.04:LTS canonical linux-nvidia-6.11 All versions
Ubuntu:24.04:LTS canonical linux-nvidia-lowlatency < 6.8.0-1046.49.1
Fix: upgrade to 6.8.0-1046.49.1
Ubuntu:24.04:LTS canonical linux-oem-6.11 All versions
Ubuntu:24.04:LTS canonical linux-oem-6.14 < 6.14.0-1014.14
Fix: upgrade to 6.14.0-1014.14
Ubuntu:24.04:LTS canonical linux-oem-6.8 All versions
Ubuntu:24.04:LTS canonical linux-oracle < 6.8.0-1043.44
Fix: upgrade to 6.8.0-1043.44
Ubuntu:24.04:LTS canonical linux-oracle-6.14 < 6.14.0-1015.15~24.04.1
Fix: upgrade to 6.14.0-1015.15~24.04.1
Ubuntu:24.04:LTS canonical linux-raspi < 6.8.0-1047.51
Fix: upgrade to 6.8.0-1047.51
Ubuntu:24.04:LTS canonical linux-raspi-realtime All versions
Ubuntu:24.04:LTS canonical linux-realtime All versions
Ubuntu:24.04:LTS canonical linux-riscv All versions
Ubuntu:24.04:LTS canonical linux-riscv-6.14 < 6.14.0-34.34.1~24.04.1
Fix: upgrade to 6.14.0-34.34.1~24.04.1
Ubuntu:24.04:LTS canonical linux-xilinx < 6.8.0-1023.24
Fix: upgrade to 6.8.0-1023.24
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-aws-fips < 6.8.0-1046.49+fips1
Fix: upgrade to 6.8.0-1046.49+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-azure-fips < 6.8.0-1046.52+fips1
Fix: upgrade to 6.8.0-1046.52+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-fips < 6.8.0-100.100+fips1
Fix: upgrade to 6.8.0-100.100+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-gcp-fips < 6.8.0-1047.50+fips1
Fix: upgrade to 6.8.0-1047.50+fips1
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-raspi-realtime < 6.8.0-2037.38
Fix: upgrade to 6.8.0-2037.38
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime < 6.8.1-1041.42
Fix: upgrade to 6.8.1-1041.42
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime-6.14 < 6.14.0-1014.14~24.04.1
Fix: upgrade to 6.14.0-1014.14~24.04.1
Ubuntu:25.10 canonical linux-azure-fde All versions
Root:Debian:12 debian rootio-linux < 6.1.164-1.root.io.108
Fix: upgrade to 6.1.164-1.root.io.108
Root:Ubuntu:22.04 canonical linux < 5.15.0-187.197.aikido.112
Fix: upgrade to 5.15.0-187.197.aikido.112
Root:Ubuntu:22.04 canonical rootio-linux < 5.15.0-187.197.aikido.112
Fix: upgrade to 5.15.0-187.197.aikido.112
Ubuntu:Nvidia-BlueField:24.04:LTS canonical linux-bluefield < 6.8.0-1016.20
Fix: upgrade to 6.8.0-1016.20
Root:Ubuntu:24.04 – linux < 6.8.0-146.146.aikido.89
< 6.8.0-147.147.aikido.90
Fix: upgrade to 6.8.0-146.146.aikido.89
Root:Ubuntu:24.04 – rootio-linux < 6.8.0-146.146.aikido.89
< 6.8.0-147.147.aikido.90
Fix: upgrade to 6.8.0-146.146.aikido.89
Root:Ubuntu:22.04 – linux < 5.15.0-198.208.aikido.116
< 5.15.0-202.212.aikido.118
Fix: upgrade to 5.15.0-198.208.aikido.116
Root:Ubuntu:22.04 – rootio-linux < 5.15.0-198.208.aikido.116
< 5.15.0-202.212.aikido.118
Fix: upgrade to 5.15.0-198.208.aikido.116
Linux linux kernel >= 6.13.0, < 6.15.4
Fix: upgrade to 6.15.4
Root:Debian:12 – linux < 6.1.190-1.aikido.167
Fix: upgrade to 6.1.190-1.aikido.167
Root:Debian:12 – rootio-linux < 6.1.190-1.aikido.167
Fix: upgrade to 6.1.190-1.aikido.167
Original advisory text
CVE-2025-38334 in linux - Patched by Root
In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Prevent attempts to reclaim poisoned pages TL;DR: SGX page reclaim touches the page to copy its contents to secondary storage. SGX instructions do not gracefully handle machine checks. Despite this, the existing SGX code will try to reclaim pages that it _knows_ are poisoned. Avoid even trying to reclaim poisoned pages. The longer story: Pages used by an enclave only get epc_page->poison set in arch_memory_failure() but they currently stay on sgx_active_page_list until sgx_encl_release(), with the SGX_EPC_PAGE_RECLAIMER_TRACKED flag untouched. epc_page->poison is not checked in the reclaimer logic meaning that, if other conditions are met, an attempt will be made to reclaim an EPC page that was poisoned. This is bad because 1. we don't want that page to end up added to another enclave and 2. it is likely to cause one core to shut down and the kernel to panic. Specifically, reclaiming uses microcode operations including "EWB" which accesses the EPC page contents to encrypt and write them out to non-SGX memory. Those operations cannot handle MCEs in their accesses other than by putting the executing core into a special shutdown state (affecting both threads with HT.) The kernel will subsequently panic on the remaining cores seeing the core didn't enter MCE handler(s) in time. Call sgx_unmark_page_reclaimable() to remove the affected EPC page from sgx_active_page_list on memory error to stop it being considered for reclaiming. Testing epc_page->poison in sgx_reclaim_pages() would also work but I assume it's better to add code in the less likely paths. The affected EPC page is not added to &node->sgx_poison_page_list until later in sgx_encl_release()->sgx_free_epc_page() when it is EREMOVEd. Membership on other lists doesn't change to avoid changing any of the lists' semantics except for sgx_active_page_list. There's a "TBD" comment in arch_memory_failure() about pre-emptive actions, the goal here is not to address everything that it may imply. This also doesn't completely close the time window when a memory error notification will be fatal (for a not previously poisoned EPC page) -- the MCE can happen after sgx_reclaim_pages() has selected its candidates or even *inside* a microcode operation (actually easy to trigger due to the amount of time spent in them.) The spinlock in sgx_unmark_page_reclaimable() is safe because memory_failure() runs in process context and no spinlocks are held, explicitly noted in a mm/memory-failure.c comment.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-754Improper Check for Unusual or Exceptional Conditions
Timeline
Published10 Jul 2025
Updated30 Oct 2026
First seen7 Mar 2026
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