Fragnesia: New Linux kernel LPE bug was spawned by Dirty Frag patch (CVE-2026-46300)
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-43284 | Linux kernel ESP-in-UDP decrypts in place over shared splice pages (CWE-123) | 8.8 | 94% | PoC | |
| CVE-2026-46300 | Shared-frag marker loss in Linux kernel skb coalescing (LPE) | 7.8 | 16% | KEVPoC | KEV |
From the original article
2 min read at helpnetsecurity.com
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).
By @zeljkazorz · helpnetsecurity.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.