USN-8658

USN-8658-2: Linux kernel (IBM) vulnerabilities Publication date 21 August 2026 Overview Several security issues were fixed in the Linux kernel. Releases Packages - linux-ibm - Linux kernel for IBM cloud systems Details 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: - Open vSwitch; - SCTP protocol 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: - Open vSwitch; - SCTP protocol Update instructions After a standard system update you need to reboot your computer to make all the necessary changes. Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | || |---|---|---|---| | 22.04 LTS jammy | linux-image-5.15.0-1108-ibm – 5.15.0-1108.112 | || | linux-image-ibm – 5.15.0.1108.105 | ||| | linux-image-ibm-5.15 – 5.15.0.1108.105 | Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. References Related notices - USN-8664-1 - USN-8663-1 - USN-8661-1 - USN-8661-2 - USN-8660-1 - USN-8659-2 - USN-8659-1 - USN-8658-1 - USN-8656-1 - USN-8646-1 - USN-8664-1 - USN-8663-1 - USN-8661-1 - USN-8661-2 - USN-8660-1 - USN-8659-2 - USN-8659-1 - USN-8658-1 - USN-8656-1 - USN-8646-1 - USN-8645-1 - USN-8644-1 - USN-8644-2 - USN-8643-1 - USN-8643-2 - USN-8643-3 - USN-8637-1 - USN-8629-1 - USN-8629-2 - USN-8629-3 Have additional questions?