USN-8643-2

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:

Network drivers;
Open vSwitch;
SCTP protocol; (CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531)

Affected Packages

linux-lowlatency-hwe-6.8

Ubuntu 22.04 LTS

Fixed in:

6.8.0-138.138.1~22.04.1

linux-gke

Ubuntu 24.04 LTS

Fixed in:

6.8.0-1061.69

linux-lowlatency

Ubuntu 24.04 LTS

Fixed in:

6.8.0-138.138.1

References

REPORT

https://ubuntu.com/security/CVE-2026-53224

REPORT

https://ubuntu.com/security/CVE-2026-53246

REPORT

https://ubuntu.com/security/CVE-2026-53247

REPORT

https://ubuntu.com/security/CVE-2026-64531

ADVISORY

https://ubuntu.com/security/notices/USN-8643-2