USN-8497-1: Linux kernel (Low Latency) vulnerabilities | Ubuntu security notices
It was discovered that the Linux kernel did not properly handle shared pagefragments during socket buffer operations, collectively known as DirtyFrag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in theRxRPC networking subsystem when processing paged fragments. A localattacker could use this to escalate privileges, or possibly escape acontainer. (CVE-2026-43284, CVE-2026-43500, CVE-2026-45998, CVE-2026-46000)…