--- title: Fix for Dirty Frag (CVE-2026-43284, CVE-2026-43500) –... description: A local privilege escalation vulnerability in the Linux kernel, dubbed Dirty Frag (CVE-2026-43284, CVE-2026-43500), has been disclosed. It is a variant of the... canonical: https://daily.dev/posts/fix-for-dirty-frag-cve-2026-43284-cve-2026-43500-deepin-technology-community-l1nb5fujh twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Fix for Dirty Frag (CVE-2026-43284, CVE-2026-43500) – Deepin Technology Community | daily.dev og:description: A local privilege escalation vulnerability in the Linux kernel, dubbed Dirty Frag (CVE-2026-43284, CVE-2026-43500), has been disclosed. It is a variant of the... og:url: https://daily.dev/posts/fix-for-dirty-frag-cve-2026-43284-cve-2026-43500-deepin-technology-community-l1nb5fujh og:image: https://api.daily.dev/og/posts/L1nb5fujH.png og:image:alt: Fix for Dirty Frag (CVE-2026-43284, CVE-2026-43500) – Deepin Technology Community og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Fix for Dirty Frag (CVE-2026-43284, CVE-2026-43500) – Deepin Technology Community **[Deepin](https://daily.dev/sources/deepin)** · 3 min read · 2 upvotes · 1 comments ## Summary A local privilege escalation vulnerability in the Linux kernel, dubbed Dirty Frag (CVE-2026-43284, CVE-2026-43500), has been disclosed. It is a variant of the Dirty Pipe/Copy Fail class of vulnerabilities. Attackers with local low-privilege code execution can exploit xfrm-ESP and RxRPC processing paths to inject page cache pages into sk_buff frags, causing in-place encryption/decryption operations to write to read-only file page cache, ultimately enabling root access. Exploit code is already circulating. Deepin 25 users on 6.6 and 6.18 kernels should apply the released security update immediately. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Dirty Frag \(CVE-2026-43284\): Linux Root Escalation](https://daily.dev/posts/dirty-frag-cve-2026-43284-linux-root-escalation-wu6rpu77n) · Aikido Security · 11 upvotes · 4 comments --- Tags: [#security](https://daily.dev/tags/security), [#linux](https://daily.dev/tags/linux) [View this post on daily.dev](https://daily.dev/posts/fix-for-dirty-frag-cve-2026-43284-cve-2026-43500-deepin-technology-community-l1nb5fujh) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Fix for Dirty Frag (CVE-2026-43284, CVE-2026-43500) – Deepin Technology Community","url":"https://daily.dev/posts/fix-for-dirty-frag-cve-2026-43284-cve-2026-43500-deepin-technology-community-l1nb5fujh","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/fix-for-dirty-frag-cve-2026-43284-cve-2026-43500-deepin-technology-community-l1nb5fujh"},"datePublished":"2026-05-09T06:29:32.656Z","dateModified":"2026-05-09T06:30:51.023Z","description":"A local privilege escalation vulnerability in the Linux kernel, dubbed Dirty Frag (CVE-2026-43284, CVE-2026-43500), has been disclosed. 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