ipdecap

ipdecap pcapファイルから、GRE、IPIP、6in4、ESP（ipsec）プロトコルでカプセル化されたトラフィックをデカプセル化します。 IEEE 802.1Q（仮想LAN - VLAN）ヘッダーの削除も可能です。 ドキュメントは http://loicpefferkorn.net/ipdecap で入手可能です。...

ipeeyoupeewepee

ipeeyoupeewepee 公開インターネット上のホスト（主にCiscoルーター）向けのスキャナおよび攻撃スイートです。これらのホストは、IP-in-IPおよびGREプロトコルでカプセル化された認証されていないパケットを転送します。 この脆弱性は「トンネリングプロトコルの安全でない実装」として知られ、CVE-2020-10136およびCVE-2024-7595で追跡されています。影響を受けるホストから任意のIPパケットを送信（ただし受信は不可）できます。...

CVE-2023-42326

pfSense 2.7.0 コマンドインジェクションエクスプロイト CVE-2023-42326 このPythonスクリプトは、pfSense 2.7.0のコマンドインジェクション脆弱性（CVE-2023-42326）に対する概念実証（PoC）エクスプロイトです。この脆弱性により、認証された攻撃者は interfacesgifedit.php および interfacesgreedit.php コンポーネントを介して任意のコマンドを注入し実行できます。 機能 エクスプロイトモード選択（gif または gre）により、脆弱なコンポーネントを選択します。...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: iptunnel: ensure that the inner header is pulled in iptunnelrcv The same fixes were applied in the following issues: 8d975c15c0cd “ip6tunnel: ensure that the inner header is pulled in ip6tnlrcv” 1ca1ba465e55 “geneve: ensu...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ip6gre: made ip6greheader more robust. Over the years, syzbot has identified many ways in which the kernel can crash due to issues related to ip6greheader. This involves the ability of team or bonding drivers to dynamically chang...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: gso: It is now forbidden to perform IPv6 TSO with extensions on devices that only have IPV6CSUM available. When performing Generic Segmentation Offload GSO on an IPv6 packet that contains extension headers, the kernel...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Ensure a sane device MTU in tunnels Another syzbot report 1 indicates a bug in the ip6gre tunnel device: dev:ip6gretap0. Since the ipv6 mcast code ensures that the dev-mtu is read once and a sanity check is performed on it...

CVE-2026-89562

In the Linux kernel, the following vulnerability has been resolved: ip6gre: fix hardware header length for NBMA tunnels ip6gretnllinkconfigroute accumulates the lower device's hardware header length into dev-hardheaderlen whenever headerops is set. This is incorrect for both users of headerops...

PT-2026-90279

In the Linux kernel, the following vulnerability has been resolved: ip6 tunnel: use skb cow head in ip6 tnl xmit ip6 tnl xmit may need to expand headroom before it can push the outer IPv6 and optional encap headers. It currently does that with skb realloc headroom, copies skb-sk ownership, consum...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098960)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098960 advisory. In the Linux kernel, the following vulnerability has been resolved: bonding: fix type confusion in bondsetupbyslave kernel BUG at net/core/skbuff.c:2306! Oops: inval...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: made ipgreheader more robust. A corresponding commit db5b4e39c4e6 has been made for “ip6gre: made ip6greheader more robust.” Over the years, syzbot has identified many ways in which the kernel can crash due to issues...

CVE-2026-74478

A flaw was found in the Linux kernel. A remote attacker, by sending specially crafted packets over GRE or L2TPv3 transports, could trigger a use-after-free vulnerability. This occurs in the vectormmsgrx function when a packet's overlay header fails verification, causing the system to attempt to...

SUSE CVE-2026-74478

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...

CVE-2026-74478

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...

CVE-2026-74478

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...

CVE-2026-74478

CVE-2026-74478 affects the Linux kernel, specifically the vector_mmsg_rx() path. When a packet is discarded because verify_header() fails, the code previously continued without advancing the slot, leaving a freed skb in the vector and causing a use-after-free in the RX path. The issue can be trig...

EUVD-2026-59671

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...

CVE-2026-74478 um: vector: fix use-after-free in vector_mmsg_rx()

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...

CVE-2026-74478 um: vector: fix use-after-free in vector_mmsg_rx()

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...

CVE-2026-74478: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...