Cyber Security

Fragnesia: New Linux kernel LPE bug was spawned by Dirty Frag patch (CVE-2026-46300)

Fragnesia: New Linux kernel LPE bug was spawned by Dirty Frag patch (CVE-2026-46300)

Researchers have found and disclosed yet another local privilege escalation (LPE) vulnerability in the Linux kernel: CVE-2026-46300, aka “Fragnesia”. The flaw is in the same class of vulnerabilities as the recently disclosed Dirty Frag bug(s). Like Dirty Frag, it affects the same Linux module (xfrm-ESP). In fact, according to Dirty Frag discoverer Hyunwoo Kim, Fragnesia was “accidentally activated” by the patch fixing one of the original Dirty Frag vulnerabilities (i.e., CVE-2026-43284). CVE-2026-46300 explained Fragnesia was … More →

The post Fragnesia: New Linux kernel LPE bug was spawned by Dirty Frag patch (CVE-2026-46300) appeared first on Help Net Security.

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