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9.4

CVE-2025-68741: Linux kernel updates fix risk of unauthorized code execution

CVE-2025-68741 · published 1 day ago
Summary

The Linux kernel and related Ubuntu 24.04 packages (including low‑latency and Nvidia versions) have been updated to close a security gap that could let an attacker run malicious code on a system. This is important because such code could give a bad actor control over servers or workstations. Install the latest Ubuntu 24.04 updates as soon as possible to apply the fix.

What to do
  • Update linux kernel to version 6.18.2.
  • Update canonical linux-nvidia to version 6.8.0-1051.54.
  • Update canonical linux-nvidia-6.17 to version 6.17.0-1018.18.
  • Update canonical linux-nvidia-lowlatency to version 6.8.0-1051.54.1.
  • Update canonical linux-nvidia-tegra to version 6.8.0-1022.22.
  • Update debian linux to version 6.12.63-1.
  • Update debian linux to version 6.17.13-1.
  • Update canonical linux-aws-6.8 to version 6.8.0-1052.55~22.04.1.
  • Update canonical linux-azure-6.8 to version 6.8.0-1059.65~22.04.1.
  • Update canonical linux-gcp-6.8 to version 6.8.0-1054.57~22.04.1.
  • Update canonical linux-hwe-6.8 to version 6.8.0-110.110~22.04.1.
  • Update canonical linux-ibm-6.8 to version 6.8.0-1051.51~22.04.1.
  • Update canonical linux-lowlatency-hwe-6.8 to version 6.8.0-110.110.1~22.04.1.
  • Update canonical linux-nvidia-6.8 to version 6.8.0-1051.54~22.04.1.
  • Update canonical linux-oracle-6.8 to version 6.8.0-1049.50~22.04.1.
  • Update canonical linux-riscv-6.8 to version 6.8.0-110.110~22.04.1.
  • Update canonical linux-realtime-6.8 to version 6.8.1-1047.48~22.04.1.
  • Update canonical linux to version 6.8.0-110.110.
  • Update canonical linux-aws to version 6.8.0-1052.55.
  • Update canonical linux-aws-6.17 to version 6.17.0-1009.9~24.04.2.
  • Update canonical linux-azure to version 6.8.0-1054.60.
  • Update canonical linux-azure-6.17 to version 6.17.0-1010.10~24.04.1.
  • Update canonical linux-gcp to version 6.8.0-1054.57.
  • Update canonical linux-gcp-6.17 to version 6.17.0-1009.9~24.04.3.
  • Update canonical linux-gke to version 6.8.0-1050.56.
  • Update canonical linux-gkeop to version 6.8.0-1037.40.
  • Update canonical linux-hwe-6.17 to version 6.17.0-19.19~24.04.2.
  • Update canonical linux-ibm to version 6.8.0-1051.51.
  • Update canonical linux-lowlatency to version 6.8.0-110.110.1.
  • Update canonical linux-oem-6.17 to version 6.17.0-1017.17.
  • Update canonical linux-oracle to version 6.8.0-1049.50.
  • Update canonical linux-oracle-6.17 to version 6.17.0-1009.9~24.04.1.
  • Update canonical linux-raspi to version 6.8.0-1052.56.
  • Update canonical linux-riscv-6.17 to version 6.17.0-19.19.1~24.04.1.
  • Update canonical linux-xilinx to version 6.8.0-1028.29.
  • Update canonical linux-aws-fips to version 6.8.0-1052.55+fips1.
  • Update canonical linux-azure-fips to version 6.8.0-1053.59+fips1.
  • Update canonical linux-fips to version 6.8.0-110.110+fips2.
  • Update canonical linux-gcp-fips to version 6.8.0-1054.57+fips1.
  • Update canonical linux-raspi-realtime to version 6.8.0-2042.43.
  • Update canonical linux-realtime to version 6.8.1-1047.48.
  • Update canonical linux-realtime-6.17 to version 6.17.0-1008.9~24.04.1.
  • Update canonical linux to version 6.17.0-19.19.
  • Update canonical linux-aws to version 6.17.0-1009.9.
  • Update canonical linux-azure to version 6.17.0-1010.10.
  • Update canonical linux-gcp to version 6.17.0-1009.9.
  • Update canonical linux-oracle to version 6.17.0-1009.9.
  • Update canonical linux-raspi to version 6.17.0-1010.10.
  • Update canonical linux-realtime to version 6.17.0-1008.9.
  • Update canonical linux-riscv to version 6.17.0-19.19.1.
  • Update canonical linux to version 6.8.0-138.138.aikido.86.
  • Update canonical rootio-linux to version 6.8.0-138.138.aikido.86.
  • Update canonical linux-azure-fde-6.8 to version 6.8.0-1058.65~22.04.1.
  • Update canonical linux-azure-fde to version 6.8.0-1058.65.
  • Update canonical linux-bluefield to version 6.8.0-1017.21.
  • 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 linux to version 4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9 or later.
Affected software
Ecosystem VendorProductAffected versions
Linux linux kernel >= 6.18.0, < 6.18.2
Fix: upgrade to 6.18.2
– linux linux < 4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9
6.6
Ubuntu:24.04:LTS canonical linux-lowlatency-hwe-6.11 All versions
Ubuntu:24.04:LTS canonical linux-nvidia < 6.8.0-1051.54
Fix: upgrade to 6.8.0-1051.54
Ubuntu:24.04:LTS canonical linux-nvidia-6.11 All versions
Ubuntu:24.04:LTS canonical linux-nvidia-6.17 < 6.17.0-1018.18
Fix: upgrade to 6.17.0-1018.18
Ubuntu:24.04:LTS canonical linux-nvidia-lowlatency < 6.8.0-1051.54.1
Fix: upgrade to 6.8.0-1051.54.1
Ubuntu:24.04:LTS canonical linux-nvidia-tegra < 6.8.0-1022.22
Fix: upgrade to 6.8.0-1022.22
Ubuntu:24.04:LTS canonical linux-oem-6.11 All versions
Ubuntu:24.04:LTS canonical linux-oem-6.14 All versions
Debian:13 debian linux < 6.12.63-1
Fix: upgrade to 6.12.63-1
Debian:14 debian linux < 6.17.13-1
Fix: upgrade to 6.17.13-1
Ubuntu:24.04:LTS canonical linux-azure-nvidia All 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:18.04:LTS canonical linux-azure All versions
Ubuntu:18.04:LTS canonical linux-azure-5.3 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: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:18.04:LTS canonical linux-hwe-edge 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:20.04:LTS canonical linux-aws-5.11 All versions
Ubuntu:20.04:LTS canonical linux-aws-5.13 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:20.04:LTS canonical linux-azure-5.8 All versions
Ubuntu:20.04:LTS canonical linux-azure-fde 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: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:20.04:LTS canonical linux-hwe-5.8 All versions
Ubuntu:20.04:LTS canonical linux-intel-5.13 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
Showing 50 of 158. Show the rest
Ecosystem VendorProductAffected versions
Ubuntu:20.04:LTS canonical linux-oem-5.6 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:20.04:LTS canonical linux-oracle-5.8 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:20.04:LTS canonical linux-riscv-5.8 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 < 6.8.0-1052.55~22.04.1
Fix: upgrade to 6.8.0-1052.55~22.04.1
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 < 6.8.0-1059.65~22.04.1
Fix: upgrade to 6.8.0-1059.65~22.04.1
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 < 6.8.0-1058.65~22.04.1
Fix: upgrade to 6.8.0-1058.65~22.04.1
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 < 6.8.0-1054.57~22.04.1
Fix: upgrade to 6.8.0-1054.57~22.04.1
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 < 6.8.0-110.110~22.04.1
Fix: upgrade to 6.8.0-110.110~22.04.1
Ubuntu:22.04:LTS canonical linux-ibm-6.8 < 6.8.0-1051.51~22.04.1
Fix: upgrade to 6.8.0-1051.51~22.04.1
Ubuntu:22.04:LTS canonical linux-intel-iot-realtime 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 < 6.8.0-110.110.1~22.04.1
Fix: upgrade to 6.8.0-110.110.1~22.04.1
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 < 6.8.0-1051.54~22.04.1
Fix: upgrade to 6.8.0-1051.54~22.04.1
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 < 6.8.0-1049.50~22.04.1
Fix: upgrade to 6.8.0-1049.50~22.04.1
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 < 6.8.0-110.110~22.04.1
Fix: upgrade to 6.8.0-110.110~22.04.1
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:Pro:Realtime:22.04:LTS canonical linux-realtime-6.8 < 6.8.1-1047.48~22.04.1
Fix: upgrade to 6.8.1-1047.48~22.04.1
Ubuntu:24.04:LTS canonical linux < 6.8.0-110.110
Fix: upgrade to 6.8.0-110.110
Ubuntu:24.04:LTS canonical linux-aws < 6.8.0-1052.55
Fix: upgrade to 6.8.0-1052.55
Ubuntu:24.04:LTS canonical linux-aws-6.14 All versions
Ubuntu:24.04:LTS canonical linux-aws-6.17 < 6.17.0-1009.9~24.04.2
Fix: upgrade to 6.17.0-1009.9~24.04.2
Ubuntu:24.04:LTS canonical linux-azure < 6.8.0-1054.60
Fix: upgrade to 6.8.0-1054.60
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 < 6.17.0-1010.10~24.04.1
Fix: upgrade to 6.17.0-1010.10~24.04.1
Ubuntu:24.04:LTS canonical linux-azure-fde < 6.8.0-1058.65
Fix: upgrade to 6.8.0-1058.65
Ubuntu:24.04:LTS canonical linux-azure-fde-6.14 All versions
Ubuntu:24.04:LTS canonical linux-azure-nvidia-6.14 All versions
Ubuntu:24.04:LTS canonical linux-gcp < 6.8.0-1054.57
Fix: upgrade to 6.8.0-1054.57
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 < 6.17.0-1009.9~24.04.3
Fix: upgrade to 6.17.0-1009.9~24.04.3
Ubuntu:24.04:LTS canonical linux-gke < 6.8.0-1050.56
Fix: upgrade to 6.8.0-1050.56
Ubuntu:24.04:LTS canonical linux-gkeop < 6.8.0-1037.40
Fix: upgrade to 6.8.0-1037.40
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 < 6.17.0-19.19~24.04.2
Fix: upgrade to 6.17.0-19.19~24.04.2
Ubuntu:24.04:LTS canonical linux-ibm < 6.8.0-1051.51
Fix: upgrade to 6.8.0-1051.51
Ubuntu:24.04:LTS canonical linux-lowlatency < 6.8.0-110.110.1
Fix: upgrade to 6.8.0-110.110.1
Ubuntu:24.04:LTS canonical linux-oem-6.17 < 6.17.0-1017.17
Fix: upgrade to 6.17.0-1017.17
Ubuntu:24.04:LTS canonical linux-oem-6.8 All versions
Ubuntu:24.04:LTS canonical linux-oracle < 6.8.0-1049.50
Fix: upgrade to 6.8.0-1049.50
Ubuntu:24.04:LTS canonical linux-oracle-6.14 All versions
Ubuntu:24.04:LTS canonical linux-oracle-6.17 < 6.17.0-1009.9~24.04.1
Fix: upgrade to 6.17.0-1009.9~24.04.1
Ubuntu:24.04:LTS canonical linux-raspi < 6.8.0-1052.56
Fix: upgrade to 6.8.0-1052.56
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 All versions
Ubuntu:24.04:LTS canonical linux-riscv-6.17 < 6.17.0-19.19.1~24.04.1
Fix: upgrade to 6.17.0-19.19.1~24.04.1
Ubuntu:24.04:LTS canonical linux-xilinx < 6.8.0-1028.29
Fix: upgrade to 6.8.0-1028.29
Ubuntu:Nvidia-BlueField:24.04:LTS canonical linux-bluefield < 6.8.0-1017.21
Fix: upgrade to 6.8.0-1017.21
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-aws-fips < 6.8.0-1052.55+fips1
Fix: upgrade to 6.8.0-1052.55+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-azure-fips < 6.8.0-1053.59+fips1
Fix: upgrade to 6.8.0-1053.59+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-fips < 6.8.0-110.110+fips2
Fix: upgrade to 6.8.0-110.110+fips2
Ubuntu:Pro:FIPS-updates:24.04:LTS canonical linux-gcp-fips < 6.8.0-1054.57+fips1
Fix: upgrade to 6.8.0-1054.57+fips1
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-raspi-realtime < 6.8.0-2042.43
Fix: upgrade to 6.8.0-2042.43
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime < 6.8.1-1047.48
Fix: upgrade to 6.8.1-1047.48
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime-6.14 All versions
Ubuntu:Pro:Realtime:24.04:LTS canonical linux-realtime-6.17 < 6.17.0-1008.9~24.04.1
Fix: upgrade to 6.17.0-1008.9~24.04.1
Ubuntu:25.10 canonical linux < 6.17.0-19.19
Fix: upgrade to 6.17.0-19.19
Ubuntu:25.10 canonical linux-aws < 6.17.0-1009.9
Fix: upgrade to 6.17.0-1009.9
Ubuntu:25.10 canonical linux-azure < 6.17.0-1010.10
Fix: upgrade to 6.17.0-1010.10
Ubuntu:25.10 canonical linux-azure-fde All versions
Ubuntu:25.10 canonical linux-gcp < 6.17.0-1009.9
Fix: upgrade to 6.17.0-1009.9
Ubuntu:25.10 canonical linux-oracle < 6.17.0-1009.9
Fix: upgrade to 6.17.0-1009.9
Ubuntu:25.10 canonical linux-raspi < 6.17.0-1010.10
Fix: upgrade to 6.17.0-1010.10
Ubuntu:25.10 canonical linux-realtime < 6.17.0-1008.9
Fix: upgrade to 6.17.0-1008.9
Ubuntu:25.10 canonical linux-riscv < 6.17.0-19.19.1
Fix: upgrade to 6.17.0-19.19.1
Root:Ubuntu:24.04 canonical linux < 6.8.0-138.138.aikido.86
Fix: upgrade to 6.8.0-138.138.aikido.86
Root:Ubuntu:24.04 canonical rootio-linux < 6.8.0-138.138.aikido.86
Fix: upgrade to 6.8.0-138.138.aikido.86
Root:Ubuntu:24.04 – linux < 6.8.0-146.146.aikido.89
Fix: upgrade to 6.8.0-146.146.aikido.89
Root:Ubuntu:24.04 – rootio-linux < 6.8.0-146.146.aikido.89
Fix: upgrade to 6.8.0-146.146.aikido.89
Original advisory text
CVE-2025-68741 in linux - Patched by Root
Root has patched CVE-2025-68741 in the linux package for Root:Ubuntu:24.04. Multiple fixed versions available.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
9.4 Critical
Exploitation
<1% chance of attack within 30 days
Timeline
Published9 Oct 2026
Updated9 Oct 2026
First seen7 Mar 2026
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Free during beta