USN-8254-1

Description

linux, linux-aws, linux-aws-6.8, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle, linux-oracle-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8 vulnerabilities Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; - Netfilter; (CVE-2026-23112, CVE-2026-23231, CVE-2026-23273)

Affected Systems

• ubuntu•linux

  < 6.8.0-111.111

• ubuntu•linux-aws

  < 6.8.0-1053.56

• ubuntu•linux-aws-6.8

  < 6.8.0-1053.56~22.04.1

• ubuntu•linux-aws-fips

  < 6.8.0-1053.56+fips1

• ubuntu•linux-fips

  < 6.8.0-111.111+fips1

• ubuntu•linux-gcp

  < 6.8.0-1055.58

• ubuntu•linux-gcp-fips

  < 6.8.0-1055.58+fips1

• ubuntu•linux-gke

  < 6.8.0-1051.57

• ubuntu•linux-gkeop

  < 6.8.0-1038.41

• ubuntu•linux-hwe-6.8

  < 6.8.0-111.111~22.04.1

• ubuntu•linux-ibm

  < 6.8.0-1052.52

• ubuntu•linux-ibm-6.8

  < 6.8.0-1052.52~22.04.1

• ubuntu•linux-lowlatency

  < 6.8.0-111.111.1

• ubuntu•linux-lowlatency-hwe-6.8

  < 6.8.0-111.111.1~22.04.1

• ubuntu•linux-oracle

  < 6.8.0-1050.51

• ubuntu•linux-oracle-6.8

  < 6.8.0-1050.51~22.04.1

• ubuntu•linux-raspi

  < 6.8.0-1053.57

• ubuntu•linux-raspi-realtime

  < 6.8.0-2043.44

• ubuntu•linux-realtime

  < 6.8.1-1048.49

• ubuntu•linux-realtime-6.8

  < 6.8.1-1048.49~22.04.1

References (4)

• https://ubuntu.com/security/notices/USN-8254-1
• https://ubuntu.com/security/CVE-2026-23112
• https://ubuntu.com/security/CVE-2026-23231
• https://ubuntu.com/security/CVE-2026-23273