Dirty Frag: Using the Page Caches as an Attack Surface
ID: 753fe501-0585-5718-b213-4c6b810f438b
STIX ID: report--753fe501-0585-5718-b213-4c6b810f438b
Feed Name: Qualys Blog
Threat Score
Dirty Frag is a disclosed Linux local privilege escalation (LPE) chain (CVE-2026-43284 and CVE-2026-43500) that leverages page-cache writes into skb frags to allow unprivileged users to gain root on many major distributions; public exploit code targets /etc/passwd and patches and Qualys QIDs have been released for mitigation.
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