Key Findings CVE-2026-46300 (Fragnesia) is a new Linux kernel LPE vulnerability with CVSS score 7.8 that grants unprivileged attackers root access via page cache corruption The flaw exists in the XFRM ESP-in-TCP subsystem and was discovered by William Bowling of the V12 security team Unlike the related Dirty Frag vulnerability, Fragnesia requires no host-level privileges for exploitation This is the third major Linux kernel LPE discovered in two weeks, following Copy Fail and