Ubuntu Linux Kernel Security Bulletin USN-8630-5

Vulnerability Overview Vulnerability ID: USN-8630-5 Release Date: 25 August 2026 Affected Systems: Linux kernel (Raspberry Pi) Description: Multiple security issues have been identified, which attackers could exploit to compromise the system. Scope of Impact Affected Subsystems: - v86 architecture - Infiniband drivers - Network drivers - Mellanox network drivers - File systems infrastructure - IPv4 networking - Network traffic control - TCP network protocol - B.A.T.M.A.N. meshing protocol - IPv6 networking - Multipath TCP - Netfilter - RxRPC session sockets - SCTP protocol - SMC sockets Remediation Update Instructions: - A system restart is required after performing a standard system update to apply all changes. - Due to unavoidable ABI (Application Binary Interface) changes, the kernel update has been assigned a new version number, requiring all third-party kernel modules to be recompiled and reinstalled. - This process will be executed automatically during a standard system upgrade unless the standard kernel meta-packages (such as , , , ) are manually removed. Updated Package Versions: - Ubuntu 24.04 LTS (noble): - – 6.8.0-1062.66 - – 6.8.0-2051.53 (Real-time) - – 6.8.0-1062.66 - – 6.8.0-1062.66 - – 6.8.0-2051.53 (Real-time) - – 6.8.0-2051.53 (Real-time) References CVE-2026-53359 CVE-2026-53228 CVE-2026-53225 CVE-2026-53215 CVE-2026-53212 CVE-2026-53176 CVE-2026-53151 CVE-2026-52931 CVE-2026-52924 CVE-2026-52914 Related Notices USN-8669-1 USN-8668-1 USN-8667-1 USN-8666-1 USN-8666-2 USN-8664-1 USN-8663-1 USN-8662-2 USN-8662-1 USN-8661-1 Reducing Attack Surface Ubuntu Pro provides ten years of security coverage, encompassing packages in the main and universe repositories. It is available for free for up to five machines. Additional Information The bottom of the page contains information on how to contact the team, access product support, and utilize community resources.

Goal Reached Thanks to every supporter — we hit 100%!

Ubuntu Linux Kernel Security Bulletin USN-8630-5

More from this source