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Kitploit
Kitploit
added 2026/09/02 1:43 p.m.7 views

Fragnesia-go

fragnesia-go SA1つ。一度に1バイト。レースなし。 fragnesia(CVE-2026-46300)のGo移植版です。Dirty Frag脆弱性クラスの一員 - 別のバグ、同じ攻撃面、独自のパッチ。 動作の仕組み tl;dr このバグはLinux XFRM ESP-in-TCPサブシステムに存在します。ファイルからTCP受信キューへデータがspliceされた後、ソケットにTCPULP...

7.8CVSS7.7AI score0.09481EPSS
SaveExploits14References2
Kitploit
Kitploit
added 2026/08/31 3:45 a.m.4 views

CVE-2026-46300

🛡️ CVE-2026-46300 - Fragnesia クリーンで致命的なページキャッシュ攻撃 「Dirty Frag」ファミリーの亜種 📌 概要 CVE-2026-46300 (Fragnesia)は、Linuxカーネルのソケットバッファ処理(skbtrycoalesce)における、XFRM/ESP-in-TCP サブシステム(espintcp ULP)内の高深刻度の論理的欠陥 です。 権限のないローカル攻撃者 は、任意の 読み取り可能な ファイルのカーネルページキャッシュに対して任意のバイト書き込み を実行でき、/usr/bin/su...

7.8CVSS7.7AI score0.09481EPSS
SaveExploits14References1
Ubuntu
Ubuntu
added 2026/08/13 9:12 p.m.10 views

USN-8548-2: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

9.8CVSS7.4AI score0.01338EPSS
SaveExploits11
Ubuntu
Ubuntu
added 2026/08/13 9:10 p.m.10 views

USN-8530-2: Linux kernel (HWE) vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

9.8CVSS7.4AI score0.93235EPSS
SaveExploits43
OSV
OSV
added 2026/08/13 9:10 p.m.6 views

USN-8530-2 linux-aws-hwe vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

9.8CVSS7.5AI score0.93235EPSS
SaveExploits43References23
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