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Linux AWS kernels could let attackers take control
published 1 month ago
Summary
The Linux kernel versions used in AWS, AWS‑5.15, AWS‑FIPS, and NVIDIA Tegra IGX environments have a weakness in their IPv6 networking and firewall code. An attacker who exploits this could gain unauthorized access to the system. Apply the latest updates from the vendor as soon as possible to fix the problem.
What to do
- Update canonical linux-aws-5.15 to version 5.15.0-1115.122~20.04.1.
- Update canonical linux-aws to version 5.15.0-1115.122.
- Update canonical linux-nvidia-tegra-igx to version 5.15.0-1056.56.
- Update canonical linux-aws-fips to version 5.15.0-1115.122+fips1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Ubuntu:Pro:20.04:LTS | canonical | linux-aws-5.15 |
< 5.15.0-1115.122~20.04.1 Fix: upgrade to 5.15.0-1115.122~20.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-aws |
< 5.15.0-1115.122 Fix: upgrade to 5.15.0-1115.122
|
| Ubuntu:22.04:LTS | canonical | linux-nvidia-tegra-igx |
< 5.15.0-1056.56 Fix: upgrade to 5.15.0-1056.56
|
| Ubuntu:Pro:FIPS-updates:22.04:LTS | canonical | linux-aws-fips |
< 5.15.0-1115.122+fips1 Fix: upgrade to 5.15.0-1115.122+fips1
|
Original advisory text
linux-aws, linux-aws-5.15, linux-aws-fips, linux-nvidia-tegra-igx vulnerability
A security issue was discovered in the Linux kernel.
An attacker could possibly use this to compromise the system.
This update corrects flaws in the following subsystems:
- IPv6 networking;
- Netfilter;
An attacker could possibly use this to compromise the system.
This update corrects flaws in the following subsystems:
- IPv6 networking;
- Netfilter;
References
- https://ubuntu.com/security/notices/USN-8730-5 Vendor Advisory
- https://ubuntu.com/security/CVE-2026-53131 Third Party Advisory
Timeline
Published22 Sep 2026
Updated22 Sep 2026
First seen22 Sep 2026
Sources
USN-8730-5 · OSV
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