Ubuntu Linux Kernel Vulnerability Update USN-8659-1

Vulnerability Overview Vulnerability ID: USN-8659-1 Publication Date: August 20, 2026 Affected System: Linux Kernel Description: A security vulnerability has been identified that could allow an attacker to compromise the system. Impact Scope Affected Versions: - 26.04 LTS - 24.04 LTS Remediation Update Notes: - A reboot is required after the standard system update to apply all necessary changes. - Due to unavoidable ABI changes, kernel updates are assigned new version numbers; all third-party kernel modules must be recompiled and reinstalled. - This will be performed automatically by the standard system upgrade unless the standard kernel metapackages (such as , , , ) are manually uninstalled. Specific Update Package Versions: - 26.04 LTS: - linux-image-7.0.0-1011-aws ~ 7.0.0-1011.11 - linux-image-7.0.0-1011-aws-64k ~ 7.0.0-1011.11 - linux-image-7.0.0-1011-oem ~ 7.0.0-1011.11 - linux-image-7.0.0-1012-ibm ~ 7.0.0-1012.12 - linux-image-7.0.0-1017-raspi ~ 7.0.0-1017.17 - linux-image-7.0.0-1017-raspi-realtime ~ 7.0.0-1017.17 - linux-image-7.0.0-30-generic ~ 7.0.0-30.30 - linux-image-7.0.0-30-generic-64k ~ 7.0.0-30.30 - linux-image-7.0.0-30-realtime ~ 7.0.0-30.30.1 - linux-image-7.0.0-30-realtime-64k ~ 7.0.0-30.30.1 - linux-image-aws ~ 7.0.0-1011.11 - linux-image-aws-64k ~ 7.0.0-1011.11 - linux-image-aws-64k-7.0 ~ 7.0.0-1011.11 - linux-image-aws-7.0 ~ 7.0.0-1011.11 - linux-image-generic ~ 7.0.0-30.30 - linux-image-generic-64k ~ 7.0.0-30.30 - linux-image-generic-64k-7.0 ~ 7.0.0-30.30 - linux-image-generic-64k-hwe-26.04 ~ 7.0.0-30.30 - linux-image-generic-7.0 ~ 7.0.0-30.30 - linux-image-generic-hwe-26.04 ~ 7.0.0-30.30 - linux-image-ibm ~ 7.0.0-1012.12 - linux-image-ibm-7.0 ~ 7.0.0-1012.12 - linux-image-oem-26.04 ~ 7.0.0-1011.11 - linux-image-oem-26.04a ~ 7.0.0-1011.11 - linux-image-oem-7.0 ~ 7.0.0-1011.11 - linux-image-raspi ~ 7.0.0-1017.17 - linux-image-raspi-7.0 ~ 7.0.0-1017.17 - linux-image-raspi-realtime ~ 7.0.0-1017.17 - linux-image-raspi-realtime-7.0 ~ 7.0.0-1017.17 - linux-image-realtime ~ 7.0.0-30.30.1 - linux-image-realtime-64k ~ 7.0.0-30.30.1 - linux-image-realtime-64k-7.0 ~ 7.0.0-30.30.1 - linux-image-realtime-64k-hwe-26.04 ~ 7.0.0-30.30.1 - linux-image-realtime-7.0 ~ 7.0.0-30.30.1 - linux-image-realtime-hwe-26.04 ~ 7.0.0-30.30.1 - linux-image-virtual ~ 7.0.0-30.30 - linux-image-virtual-7.0 ~ 7.0.0-30.30 - linux-image-virtual-hwe-26.04 ~ 7.0.0-30.30 - 24.04 LTS: - linux-image-7.0.0-1011-aws ~ 7.0.0-1011.11-24.04.1 - linux-image-7.0.0-1011-aws-64k ~ 7.0.0-1011.11-24.04.1 - linux-image-aws ~ 7.0.0-1011.11-24.04.1 - linux-image-aws-64k ~ 7.0.0-1011.11-24.04.1 - linux-image-aws-64k-7.0 ~ 7.0.0-1011.11-24.04.1 - linux-image-aws-7.0 ~ 7.0.0-1011.11-24.04.1 References CVE ID: CVE-2026-64531 Related Notices USN-8656-1 USN-8643-1 USN-8643-2 Reducing Security Exposure Ubuntu Pro provides ten years of security coverage for packages in the main and universe repositories (25,000+ packages), available for free on up to five machines. Additional Information Contact Team: For further questions, please contact the team member. Footer Information Copyright: © 2026 Canonical Ltd. Trademarks: Ubuntu and Canonical are registered trademarks of Canonical Ltd. Legal Information: Legal information, data privacy, manage your tracker settings, report bugs on this site.

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Ubuntu Linux Kernel Vulnerability Update USN-8659-1

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