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7.1

CVE-2026-63856: Canonical Linux packages need update to fix security risk

CVE-2026-63856 · published 1 day ago
Summary

The Linux kernel packages provided by Canonical for Debian 12, including the HWE Edge, AWS, and Azure versions, have been updated to address a security weakness. Running older versions could let attackers gain unauthorized access or control over the system. Apply the latest package updates from your distribution as soon as possible to keep the system protected.

What to do
  • Update canonical linux-aws-6.8 to version 6.8.0-1061.64~22.04.1.
  • Update canonical linux-azure-6.8 to version 6.8.0-1063.71~22.04.1.
  • Update canonical linux-azure-fde-6.8 to version 6.8.0-1062.69~22.04.1.
  • Update canonical linux-gcp-6.8 to version 6.8.0-1064.72~22.04.1.
  • Update canonical linux-hwe-6.8 to version 6.8.0-136.136~22.04.1.
  • Update canonical linux-ibm-6.8 to version 6.8.0-1061.62~22.04.1.
  • Update canonical linux-lowlatency-hwe-6.8 to version 6.8.0-136.136.2~22.04.1.
  • Update canonical linux-nvidia-6.8 to version 6.8.0-1059.62~22.04.1.
  • Update canonical linux-oracle-6.8 to version 6.8.0-1058.61~22.04.1.
  • Update canonical linux-riscv-6.8 to version 6.8.0-136.136~22.04.3.
  • Update canonical linux-realtime-6.8 to version 6.8.1-1056.57~22.04.2.
  • Update canonical linux to version 6.8.0-136.136.
  • Update canonical linux-aws to version 6.8.0-1061.64.
  • Update canonical linux-azure to version 6.8.0-1063.71.
  • Update canonical linux-azure-fde to version 6.8.0-1062.69.
  • Update canonical linux-gcp to version 6.8.0-1064.72.
  • Update canonical linux-gke to version 6.8.0-1059.67.
  • Update canonical linux-gkeop to version 6.8.0-1046.50.
  • Update canonical linux-hwe-7.0 to version 7.0.0-28.28~24.04.1.
  • Update canonical linux-ibm to version 6.8.0-1061.62.
  • Update canonical linux-lowlatency to version 6.8.0-136.136.2.
  • Update canonical linux-nvidia to version 6.8.0-1059.62.
  • Update canonical linux-nvidia-7.0 to version 7.0.0-1016.16~24.04.1.
  • Update canonical linux-nvidia-lowlatency to version 6.8.0-1059.62.1.
  • Update canonical linux-nvidia-tegra to version 6.8.0-1030.31.
  • Update canonical linux-oracle to version 6.8.0-1058.61.
  • Update canonical linux-raspi to version 6.8.0-1061.65.
  • Update canonical linux-riscv-7.0 to version 7.0.0-28.28.1~24.04.3.
  • Update canonical linux-xilinx to version 6.8.0-1033.34.
  • Update canonical linux-aws-fips to version 6.8.0-1061.64+fips1.
  • Update canonical linux-azure-fips to version 6.8.0-1063.71+fips2.
  • Update canonical linux-fips to version 6.8.0-136.136+fips2.
  • Update canonical linux-gcp-fips to version 6.8.0-1064.72+fips1.
  • Update canonical linux-raspi-realtime to version 6.8.0-2050.52.
  • Update canonical linux-realtime to version 6.8.1-1056.57.
  • Update canonical linux to version 7.0.0-28.28.
  • Update canonical linux-aws to version 7.0.0-1009.9.
  • Update canonical linux-azure to version 7.0.0-1010.10.
  • Update canonical linux-azure-fde to version 7.0.0-1009.9.
  • Update canonical linux-gcp to version 7.0.0-1008.8.
  • Update canonical linux-gke to version 7.0.0-1003.4.
  • Update canonical linux-ibm to version 7.0.0-1010.10.
  • Update canonical linux-nvidia to version 7.0.0-1016.16.
  • Update canonical linux-nvidia-bos to version 7.0.0-2016.16.
  • Update canonical linux-oem-7.0 to version 7.0.0-1009.9.
  • Update canonical linux-oracle to version 7.0.0-1008.8.
  • Update canonical linux-raspi to version 7.0.0-1015.15.
  • Update canonical linux-realtime to version 7.0.0-28.28.1.
  • Update canonical linux-riscv to version 7.0.0-28.28.1.
  • Update debian rootio-linux to version 6.1.177-1.root.io.161.
  • Update debian linux to version 6.12.94-1.
  • Update debian linux to version 7.0.10-1.
  • Update debian rootio-linux to version 5.10.259-1.root.io.112.
  • Update canonical linux-azure-7.0 to version 7.0.0-1014.14~24.04.1.
  • Update canonical linux-gcp-7.0 to version 7.0.0-1011.11~24.04.1.
  • Update canonical linux-bluefield to version 6.8.0-1028.33.
  • Update canonical linux-oracle-7.0 to version 7.0.0-1011.11~24.04.1.
  • Update linux to version 5.15.0-198.208.aikido.116.
  • Update rootio-linux to version 5.15.0-198.208.aikido.116.
  • Update linux to version 6.1.190-1.aikido.167.
  • Update rootio-linux to version 6.1.190-1.aikido.167.
  • Update linux linux to version f264019be80de79f84f464846451445923bffea0 or later.
Affected software
Ecosystem VendorProductAffected versions
Ubuntu:16.04:LTS canonical linux-hwe-edge 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:18.04:LTS canonical linux-azure-5.3 All versions
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: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:Pro:18.04:LTS canonical linux-ibm-5.4 All versions
Ubuntu:18.04:LTS canonical linux-oem All 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: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: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: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
Showing 50 of 205. Show the rest
Ecosystem VendorProductAffected 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:22.04:LTS canonical linux-allwinner-5.19 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 < 6.8.0-1061.64~22.04.1
Fix: upgrade to 6.8.0-1061.64~22.04.1
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-6.8 < 6.8.0-1063.71~22.04.1
Fix: upgrade to 6.8.0-1063.71~22.04.1
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 < 6.8.0-1062.69~22.04.1
Fix: upgrade to 6.8.0-1062.69~22.04.1
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 < 6.8.0-1064.72~22.04.1
Fix: upgrade to 6.8.0-1064.72~22.04.1
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 < 6.8.0-136.136~22.04.1
Fix: upgrade to 6.8.0-136.136~22.04.1
Ubuntu:22.04:LTS canonical linux-ibm-6.8 < 6.8.0-1061.62~22.04.1
Fix: upgrade to 6.8.0-1061.62~22.04.1
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-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 < 6.8.0-136.136.2~22.04.1
Fix: upgrade to 6.8.0-136.136.2~22.04.1
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 < 6.8.0-1059.62~22.04.1
Fix: upgrade to 6.8.0-1059.62~22.04.1
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-6.5 All versions
Ubuntu:22.04:LTS canonical linux-oracle-6.8 < 6.8.0-1058.61~22.04.1
Fix: upgrade to 6.8.0-1058.61~22.04.1
Ubuntu:22.04:LTS canonical linux-realtime 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 < 6.8.0-136.136~22.04.3
Fix: upgrade to 6.8.0-136.136~22.04.3
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:Pro:Realtime:22.04:LTS canonical linux-realtime-6.8 < 6.8.1-1056.57~22.04.2
Fix: upgrade to 6.8.1-1056.57~22.04.2
Ubuntu:24.04:LTS canonical linux < 6.8.0-136.136
Fix: upgrade to 6.8.0-136.136
Ubuntu:24.04:LTS canonical linux-aws < 6.8.0-1061.64
Fix: upgrade to 6.8.0-1061.64
Ubuntu:24.04:LTS canonical linux-aws-6.14 All versions
Ubuntu:24.04:LTS canonical linux-aws-6.17 All versions
Ubuntu:24.04:LTS canonical linux-azure < 6.8.0-1063.71
Fix: upgrade to 6.8.0-1063.71
Ubuntu:24.04:LTS canonical linux-azure-6.11 All versions
Ubuntu:24.04:LTS canonical linux-azure-6.14 All versions
Ubuntu:24.04:LTS canonical linux-azure-6.17 All versions
Ubuntu:24.04:LTS canonical linux-azure-7.0 < 7.0.0-1014.14~24.04.1
Fix: upgrade to 7.0.0-1014.14~24.04.1
Ubuntu:24.04:LTS canonical linux-azure-fde < 6.8.0-1062.69
Fix: upgrade to 6.8.0-1062.69
Ubuntu:24.04:LTS canonical linux-azure-fde-6.14 All versions
Ubuntu:24.04:LTS canonical linux-azure-nvidia All versions
Ubuntu:24.04:LTS canonical linux-azure-nvidia-6.14 All versions
Ubuntu:24.04:LTS canonical linux-gcp < 6.8.0-1064.72
Fix: upgrade to 6.8.0-1064.72
Ubuntu:24.04:LTS canonical linux-gcp-6.11 All versions
Ubuntu:24.04:LTS canonical linux-gcp-6.14 All versions
Ubuntu:24.04:LTS canonical linux-gcp-6.17 All versions
Ubuntu:24.04:LTS canonical linux-gcp-7.0 < 7.0.0-1011.11~24.04.1
Fix: upgrade to 7.0.0-1011.11~24.04.1
Ubuntu:24.04:LTS canonical linux-gke < 6.8.0-1059.67
Fix: upgrade to 6.8.0-1059.67
Ubuntu:24.04:LTS canonical linux-gkeop < 6.8.0-1046.50
Fix: upgrade to 6.8.0-1046.50
Ubuntu:24.04:LTS canonical linux-hwe-6.11 All versions
Ubuntu:24.04:LTS canonical linux-hwe-6.14 All versions
Ubuntu:24.04:LTS canonical linux-hwe-6.17 All versions
Ubuntu:24.04:LTS canonical linux-hwe-7.0 < 7.0.0-28.28~24.04.1
Fix: upgrade to 7.0.0-28.28~24.04.1
Ubuntu:24.04:LTS canonical linux-ibm < 6.8.0-1061.62
Fix: upgrade to 6.8.0-1061.62
Ubuntu:24.04:LTS canonical linux-lowlatency < 6.8.0-136.136.2
Fix: upgrade to 6.8.0-136.136.2
Ubuntu:24.04:LTS canonical linux-lowlatency-hwe-6.11 All versions
Ubuntu:24.04:LTS canonical linux-nvidia < 6.8.0-1059.62
Fix: upgrade to 6.8.0-1059.62
Ubuntu:24.04:LTS canonical linux-nvidia-6.11 All versions
Ubuntu:24.04:LTS canonical linux-nvidia-6.17 All versions
Ubuntu:24.04:LTS canonical linux-nvidia-7.0 < 7.0.0-1016.16~24.04.1
Fix: upgrade to 7.0.0-1016.16~24.04.1
Ubuntu:24.04:LTS canonical linux-nvidia-lowlatency < 6.8.0-1059.62.1
Fix: upgrade to 6.8.0-1059.62.1
Ubuntu:24.04:LTS canonical linux-nvidia-tegra < 6.8.0-1030.31
Fix: upgrade to 6.8.0-1030.31
Ubuntu:24.04:LTS canonical linux-oem-6.11 All versions
Ubuntu:24.04:LTS canonical linux-oem-6.14 All versions
Ubuntu:24.04:LTS canonical linux-oem-6.17 All versions
Ubuntu:24.04:LTS canonical linux-oem-6.8 All versions
Ubuntu:24.04:LTS canonical linux-oracle < 6.8.0-1058.61
Fix: upgrade to 6.8.0-1058.61
Ubuntu:24.04:LTS canonical linux-oracle-6.14 All versions
Ubuntu:24.04:LTS canonical linux-oracle-6.17 All versions
Ubuntu:24.04:LTS canonical linux-oracle-7.0 < 7.0.0-1011.11~24.04.1
Fix: upgrade to 7.0.0-1011.11~24.04.1
Ubuntu:24.04:LTS canonical linux-raspi < 6.8.0-1061.65
Fix: upgrade to 6.8.0-1061.65
Ubuntu:24.04:LTS canonical linux-raspi-realtime All versions
Ubuntu:24.04:LTS canonical linux-riscv-6.14 All versions
Ubuntu:24.04:LTS canonical linux-riscv-6.17 All versions
Ubuntu:24.04:LTS canonical linux-riscv-7.0 < 7.0.0-28.28.1~24.04.3
Fix: upgrade to 7.0.0-28.28.1~24.04.3
Ubuntu:24.04:LTS canonical linux-xilinx < 6.8.0-1033.34
Fix: upgrade to 6.8.0-1033.34
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-aws-fips < 6.8.0-1061.64+fips1
Fix: upgrade to 6.8.0-1061.64+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-azure-fips < 6.8.0-1063.71+fips2
Fix: upgrade to 6.8.0-1063.71+fips2
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-fips < 6.8.0-136.136+fips2
Fix: upgrade to 6.8.0-136.136+fips2
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-gcp-fips < 6.8.0-1064.72+fips1
Fix: upgrade to 6.8.0-1064.72+fips1
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-raspi-realtime < 6.8.0-2050.52
Fix: upgrade to 6.8.0-2050.52
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime < 6.8.1-1056.57
Fix: upgrade to 6.8.1-1056.57
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime-6.14 All versions
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime-6.17 All versions
Ubuntu:26.04:LTS canonical linux < 7.0.0-28.28
Fix: upgrade to 7.0.0-28.28
Ubuntu:26.04:LTS canonical linux-aws < 7.0.0-1009.9
Fix: upgrade to 7.0.0-1009.9
Ubuntu:26.04:LTS canonical linux-azure < 7.0.0-1010.10
Fix: upgrade to 7.0.0-1010.10
Ubuntu:26.04:LTS canonical linux-azure-fde < 7.0.0-1009.9
Fix: upgrade to 7.0.0-1009.9
Ubuntu:26.04:LTS canonical linux-gcp < 7.0.0-1008.8
Fix: upgrade to 7.0.0-1008.8
Ubuntu:26.04:LTS canonical linux-gke < 7.0.0-1003.4
Fix: upgrade to 7.0.0-1003.4
Ubuntu:26.04:LTS canonical linux-ibm < 7.0.0-1010.10
Fix: upgrade to 7.0.0-1010.10
Ubuntu:26.04:LTS canonical linux-nvidia < 7.0.0-1016.16
Fix: upgrade to 7.0.0-1016.16
Ubuntu:26.04:LTS canonical linux-nvidia-bos < 7.0.0-2016.16
Fix: upgrade to 7.0.0-2016.16
Ubuntu:26.04:LTS canonical linux-oem-7.0 < 7.0.0-1009.9
Fix: upgrade to 7.0.0-1009.9
Ubuntu:26.04:LTS canonical linux-oracle < 7.0.0-1008.8
Fix: upgrade to 7.0.0-1008.8
Ubuntu:26.04:LTS canonical linux-raspi < 7.0.0-1015.15
Fix: upgrade to 7.0.0-1015.15
Ubuntu:26.04:LTS canonical linux-realtime < 7.0.0-28.28.1
Fix: upgrade to 7.0.0-28.28.1
Ubuntu:26.04:LTS canonical linux-riscv < 7.0.0-28.28.1
Fix: upgrade to 7.0.0-28.28.1
Root:Debian:12 debian rootio-linux < 6.1.177-1.root.io.161
Fix: upgrade to 6.1.177-1.root.io.161
Debian:11 debian linux All versions
Debian:12 debian linux All versions
Debian:13 debian linux < 6.12.94-1
Fix: upgrade to 6.12.94-1
Debian:14 debian linux < 7.0.10-1
Fix: upgrade to 7.0.10-1
Root:Debian:11 debian rootio-linux < 5.10.259-1.root.io.112
Fix: upgrade to 5.10.259-1.root.io.112
Ubuntu:Nvidia-BlueField:24.04:LTS canonical linux-bluefield < 6.8.0-1028.33
Fix: upgrade to 6.8.0-1028.33
Ubuntu:24.04:LTS canonical linux-azure-fde-7.0 All versions
Root:Ubuntu:22.04 – linux < 5.15.0-198.208.aikido.116
Fix: upgrade to 5.15.0-198.208.aikido.116
Root:Ubuntu:22.04 – rootio-linux < 5.15.0-198.208.aikido.116
Fix: upgrade to 5.15.0-198.208.aikido.116
– linux linux < f264019be80de79f84f464846451445923bffea0
5.3
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-2026-63856 in linux - Patched by Root
Root has patched CVE-2026-63856 in the linux package for Root:Debian:12. Multiple fixed versions available.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.1 High
Exploitation
<1% chance of attack within 30 days
Timeline
Published18 Oct 2026
Updated18 Oct 2026
First seen19 Jul 2026
Track software like this
Free during beta