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9.8
CVE-2026-64541: Linux kernels on Debian 12 and Ubuntu AWS vulnerable
CVE-2026-64541 · published today
Summary
The standard Linux kernel packages used by Debian 12 and several Ubuntu AWS images contain a flaw that could let an attacker take control of the system. This puts servers and workstations at risk of unauthorized access or data loss. Install the latest kernel updates from your distribution’s regular updates as soon as possible.
What to do
- Update debian linux to version 6.1.180-1.aikido.164.
- Update debian rootio-linux to version 6.1.180-1.aikido.164.
- Update linux kernel to version 7.1.5.
- Update canonical linux-nvidia-tegra to version 6.8.0-1035.38.
- Update canonical linux-aws-7.0 to version 7.0.0-1013.13~24.04.1.
- Update canonical linux-hwe-7.0 to version 7.0.0-34.34~24.04.1.
- Update canonical linux-riscv-7.0 to version 7.0.0-34.34.1~24.04.1.
- Update canonical linux to version 7.0.0-34.34.
- Update canonical linux-aws to version 7.0.0-1013.13.
- Update canonical linux-ibm to version 7.0.0-1014.14.
- Update canonical linux-oracle to version 7.0.0-1012.12.
- Update canonical linux-raspi to version 7.0.0-1020.20.
- Update canonical linux-realtime to version 7.0.0-34.34.1.
- Update canonical linux-riscv to version 7.0.0-34.34.1.
- Update canonical linux-gcp-7.0 to version 7.0.0-1013.13~24.04.1.
- Update canonical linux-gcp to version 7.0.0-1013.13.
- Update canonical linux-oem-7.0 to version 7.0.0-1014.14.
- Update debian linux to version 6.1.180-1.
- Update debian linux to version 6.12.100-1.
- Update debian linux to version 7.1.5-1.
- Update debian linux-6.12 to version 6.12.100-1~deb12u1.
- Update canonical linux-oracle-7.0 to version 7.0.0-1012.12~24.04.1.
- 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 8de4f665d0febfb92803dece377791a563fc7041 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Debian:14 | debian | linux |
< 7.1.5-1 Fix: upgrade to 7.1.5-1
|
| 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 |
Showing 50 of 184. Show the rest
| Ecosystem | Vendor | Product | Affected 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: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 | 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-6.8 | 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 | 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 | 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 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-ibm-6.8 | All versions |
| 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 | All versions |
| 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 | All versions |
| 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 | All versions |
| 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 | All versions |
| 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 | All versions |
| 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-aws-7.0 |
< 7.0.0-1013.13~24.04.1 Fix: upgrade to 7.0.0-1013.13~24.04.1
|
| 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 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-fde-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-fde-6.17 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-fde-7.0 | 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-6.11 | 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 |
< 7.0.0-1013.13~24.04.1 Fix: upgrade to 7.0.0-1013.13~24.04.1
|
| 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 |
< 7.0.0-34.34~24.04.1 Fix: upgrade to 7.0.0-34.34~24.04.1
|
| Ubuntu:24.04:LTS | canonical | linux-lowlatency-hwe-6.11 | All versions |
| 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 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-nvidia-lowlatency | All versions |
| 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-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oracle-6.17 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oracle-7.0 |
< 7.0.0-1012.12~24.04.1 Fix: upgrade to 7.0.0-1012.12~24.04.1
|
| 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 |
< 7.0.0-34.34.1~24.04.1 Fix: upgrade to 7.0.0-34.34.1~24.04.1
|
| Ubuntu:24.04:LTS | canonical | linux-xilinx | All versions |
| 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-nvidia-bos | All versions |
| Ubuntu:26.04:LTS | canonical | linux-oem-7.0 |
< 7.0.0-1014.14 Fix: upgrade to 7.0.0-1014.14
|
| – | linux | linux |
< 8de4f665d0febfb92803dece377791a563fc7041 4.18 |
| Debian:11 | debian | linux | All versions |
| Debian:12 | debian | linux |
< 6.1.180-1 Fix: upgrade to 6.1.180-1
|
| Debian:13 | debian | linux |
< 6.12.100-1 Fix: upgrade to 6.12.100-1
|
| Root:Debian:12 | debian | linux |
< 6.1.180-1.aikido.164 Fix: upgrade to 6.1.180-1.aikido.164
|
| Root:Debian:12 | debian | rootio-linux |
< 6.1.180-1.aikido.164 Fix: upgrade to 6.1.180-1.aikido.164
|
| Linux | linux | kernel |
>= 6.19.0, < 7.1.5 Fix: upgrade to 7.1.5
|
| Ubuntu:24.04:LTS | canonical | linux-nvidia-tegra |
< 6.8.0-1035.38 Fix: upgrade to 6.8.0-1035.38
|
| Ubuntu:26.04:LTS | canonical | linux |
< 7.0.0-34.34 Fix: upgrade to 7.0.0-34.34
|
| Ubuntu:26.04:LTS | canonical | linux-aws |
< 7.0.0-1013.13 Fix: upgrade to 7.0.0-1013.13
|
| Ubuntu:26.04:LTS | canonical | linux-ibm |
< 7.0.0-1014.14 Fix: upgrade to 7.0.0-1014.14
|
| Ubuntu:26.04:LTS | canonical | linux-oracle |
< 7.0.0-1012.12 Fix: upgrade to 7.0.0-1012.12
|
| Ubuntu:26.04:LTS | canonical | linux-raspi |
< 7.0.0-1020.20 Fix: upgrade to 7.0.0-1020.20
|
| Ubuntu:26.04:LTS | canonical | linux-realtime |
< 7.0.0-34.34.1 Fix: upgrade to 7.0.0-34.34.1
|
| Ubuntu:26.04:LTS | canonical | linux-riscv |
< 7.0.0-34.34.1 Fix: upgrade to 7.0.0-34.34.1
|
| Ubuntu:26.04:LTS | canonical | linux-gcp |
< 7.0.0-1013.13 Fix: upgrade to 7.0.0-1013.13
|
| Debian:12 | debian | linux-6.12 |
< 6.12.100-1~deb12u1 Fix: upgrade to 6.12.100-1~deb12u1
|
| 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-2026-64541 in linux - Patched by Root
Root has patched CVE-2026-64541 in the linux package for Root:Debian:12. Multiple fixed versions available.
References
- https://git.kernel.org/stable/c/8145b432136285e01091815b48ceb2dae261f262
- https://git.kernel.org/stable/c/1951bffbc6493ec34cff3956b29d4bc6606904a6
- https://git.kernel.org/stable/c/647b19e5cc145a2f1f685ae8ff3805a17356888c
- https://git.kernel.org/stable/c/472e9d7c0d5b03be3ff91ff941f57da822b031bc
- https://git.kernel.org/stable/c/3bfb96d9bc6a7ed0b99c7db329cc2e22a28d84bb
- https://security-tracker.debian.org/tracker/CVE-2026-64541 Vendor Advisory
- https://git.kernel.org/stable/c/ce5aa8084329351086894aa34d77e40301d5bd3d
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64541... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-64541 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Product
- https://git.kernel.org/stable/c/8de4f665d0febfb92803dece377791a563fc7041
- https://ubuntu.com/security/notices/USN-8781-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8816-1 Vendor Advisory
- https://git.kernel.org/stable/c/9d160b35cc34a2ba8229d07651468a7848325135
- https://ubuntu.com/security/CVE-2026-64541 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-64541 Third Party Advisory
- https://git.kernel.org/linus/9d160b35cc34a2ba8229d07651468a7848325135 Third Party Advisory
- https://ubuntu.com/security/notices/USN-8816-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8816-3 Vendor Advisory
Severity
9.8
Critical
Timeline
Published18 Oct 2026
Updated18 Oct 2026
First seen27 Jul 2026
Sources
DEBIAN-CVE-2026-64541 · OSV
CVE-2026-64541 · NVD
CVE-2026-64541 · MITRE
UBUNTU-CVE-2026-64541 · OSV
CVE-2026-64541 · OSV
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