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Kitploit
Kitploit
•added 2026/10/02 5:41 p.m.•14 views

ovswrap-poc

ovswrap-poc CVE-2026-64531 OVSwrap PoC - LinuxカーネルOpen vSwitchのLPE(ローカル権限昇格);パッチ検証およびセキュリティ研究用...

7.8CVSS7.7AI score0.00556EPSS
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Kitploit
Kitploit
•added 2026/10/02 4:16 p.m.•16 views

OVSwrap

OVSwrap CVE-2026-64531 Writeup !WARNING 本 PoC 仅用于帮助防御者、维护者以及获得授权的安全团队,在他们拥有或明确获准测试的系统上验证补丁、缓解措施、检测规则和暴露面。 您全权负责确保您对此材料的使用是合法、经授权的、可控的,并且在隔离的测试环境中进行。 !WARNING 本 PoC 具有破坏性。 一旦成功,它会破坏内核中存活的凭据,修改 /etc/sudoers.d 或 /etc/sudoers,打开一个 root shell,并留下分离的进程和损坏的 OVS 状态以避开不安全的清理。...

7.8CVSS7.8AI score0.00556EPSS
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Kitploit
Kitploit
•added 2026/10/02 7:51 a.m.•12 views

CVE-2026-64531

CVE-2026-64531 — OVSwrap Linux カーネル Open vSwitch モジュールのローカル権限昇格一般ユーザー → rootPoC。16 ビット nlalen フィールドの整数ラップアラウンドを利用し、一般ユーザー から root まで一気に昇格します。 脆弱性の概要 OVS が生成するネストされた action ストリームが 65535 バイトを超えると、16 ビットの nlalen フィールドがラップアラウンドします。攻撃者はプライベートユーザー/ネットワーク名前空間内で CAPNETADMIN を保持しているだけで、超長の CLONE action...

7.8CVSS7.8AI score0.00556EPSS
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Kitploit
Kitploit
•added 2026/10/01 1:57 p.m.•11 views

Detection-and-Mitigation-for-CVE-2022-2639

Detection-and-Mitigation-for-CVE-2022-2639 描述 Open vSwitch 内核模块允许在所选网络设备上对流级数据包处理进行灵活的用户空间控制。它可用于实现普通以太网交换机、网络设备绑定、VLAN 处理、网络访问控制、基于流的网络控制等。如果此内核模块未在使用中,建议禁用它以防止攻击。 安装 wget https://github.com/EkamSinghWalia/Detection-and-Mitigation-for-CVE-2022-2639.git 使用 ./CVE2022-2639.sh...

7.8CVSS7.2AI score0.00918EPSS
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RedhatCVE
RedhatCVE
•added 2026/09/29 5:05 p.m.•6 views

CVE-2026-97612

A flaw was found in the Linux kernel's Multiprotocol Label Switching MPLS networking subsystem. When all labels are removed from an encapsulated packet, the kernel fails to clear internal protocol tracking metadata, leaving stale network header references. An attacker could exploit this flaw by...

7.8CVSS5.7AI score0.00163EPSS
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RedhatCVE
RedhatCVE
•added 2026/09/29 5:05 p.m.•8 views

CVE-2026-97611

A flaw was found in the Linux kernel's Open vSwitch subsystem. A race condition during the reallocation of internal flow table structures allows memory to be freed while it is still being accessed by packet processing routines, causing a use-after-free condition. An attacker can exploit this flaw...

7.8CVSS5.9AI score0.00159EPSS
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Kitploit
Kitploit
•added 2026/09/29 5:00 a.m.•13 views

CVE-2026-64531

🔥 CVE-2026-64531 — OVSwrap Linux カーネル Open vSwitch メモリ破壊 🩸 脆弱性の概要 CVE-2026-64531 は、Linux カーネル Open vSwitch OVS ネットワークサブシステムに影響を与えるセキュリティ脆弱性です。 この欠陥は、Netlink ネスト属性 の処理に存在し、過大なアクション構造がサイズ制限を回避し、安全でないカーネルメモリ操作を引き起こす可能性があります。 ⚠️ 悪用に成功すると、カーネルクラッシュ、サービス拒否、または権限昇格の可能性 が生じる場合があります。 🧬 技術情報 🏷️ フィールド| 📌 詳細...

7.8CVSS7.8AI score0.00556EPSS
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Kitploit
Kitploit
•added 2026/09/29 4:57 a.m.•20 views

ovswrap

OVSwrap — LinuxカーネルのOpen vSwitchデータパスオーバーフロー追跡サイト OVSwrap パッチステータストラッカーのソース: Linuxカーネル内のOpen vSwitchデータパスオーバーフローに対する修正をどのディストリビューションが出荷したかを記録する単一ページのサイトです。 事実の所在 このバグに関するすべて(CVE ID、影響を受けるバージョンと修正済みバージョン、上流の修正コミット、発見と開示のクレジット、現在のディストリビューション別パッチステータス)は、このREADMEではなくトラッカーページに属します: 表示:...

6.3AI score
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Kitploit
Kitploit
•added 2026/09/27 11:19 a.m.•9 views

OVSwrap-CVE-2026-64531-Mitigation-Tool

OVSwrap CVE-2026-64531 緩和ツール Open vSwitch カーネルモジュールに影響を与える OVSwrap 脆弱性を検出および緩和するシンプルなスクリプトです。 特徴 脆弱な Open vSwitch モジュールの検出 モジュールがロードされているかどうかの判定 自動ロードのブロック モジュールの安全な削除 緩和ステータスの確認 KernelCare 情報の表示 インストール git clone https://github.com/mahfuzreham/OVSwrap-CVE-2026-64531-Mitigation-Tool.git cd...

7.8CVSS7.9AI score0.00556EPSS
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OSV
OSV
•added 2026/09/25 11:17 a.m.•7 views

DEBIAN-CVE-2026-97612

In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre-encapsulation network header once, gated on !skb-innerprotocol. skbmplspop never clears that record, so it outlives the encapsulation it...

7.8CVSS5.9AI score0.00163EPSS
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OSV
OSV
•added 2026/09/25 11:17 a.m.•6 views

AZL-104645 CVE-2026-97612 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre-encapsulation network header once, gated on !skb-innerprotocol. skbmplspop never clears that record, so it outlives the encapsulation it...

7.8CVSS5.8AI score0.00163EPSS
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OSV
OSV
•added 2026/09/25 11:17 a.m.•7 views

UBUNTU-CVE-2026-97612

In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre-encapsulation network header once, gated on !skb-innerprotocol. skbmplspop never clears that record, so it outlives the encapsulation it...

7.8CVSS5.9AI score0.00163EPSS
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CVE
CVE
•added 2026/09/25 10:22 a.m.•21 views

CVE-2026-97612

The Linux kernel is vulnerable to a memory corruption issue in the MPLS stack. The skb_mpls_push() function records a pre-encapsulation network header but skb_mpls_pop() fails to clear it when the last label is popped. This allows Open vSwitch to re-push MPLS onto a packet where the inner_network...

7.8CVSS5.8AI score0.00163EPSS
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Cvelist
Cvelist
•added 2026/09/25 10:22 a.m.•36 views

CVE-2026-97612 net: mpls: clear inner_protocol when the last label is popped

In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre-encapsulation network header once, gated on !skb-innerprotocol. skbmplspop never clears that record, so it outlives the encapsulation it...

7.8CVSS0.00163EPSS
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OSV
OSV
•added 2026/09/25 10:22 a.m.•8 views

CVE-2026-97612 net: mpls: clear inner_protocol when the last label is popped

In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre-encapsulation network header once, gated on !skb-innerprotocol. skbmplspop never clears that record, so it outlives the encapsulation it...

7.8CVSS5.8AI score
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UbuntuCve
UbuntuCve
•added 2026/09/25 12:00 a.m.•11 views

CVE-2026-97612

In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre-encapsulation network header once, gated on !skb-innerprotocol. skbmplspop never clears that record, so it outlives the encapsulation it...

7.8CVSS5.8AI score0.00163EPSS
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Redos
Redos
•added 2026/09/25 12:00 a.m.•8 views

ROS-20260925-73-0052

The vulnerability of the ovsnetdevtunnelDestroy function in the net/openvswitch/vport-netdev.c file, which is part of the Open vSwitch router support in the Linux operating system, is related to the lack of protection for sensitive data. Exploiting this vulnerability could allow an attacker to...

7.8CVSS7.5AI score0.00136EPSS
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Tenable Nessus
Tenable Nessus
•added 2026/09/25 12:00 a.m.•6 views

Linux Distros Unpatched Vulnerability : CVE-2026-97612

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre- encapsulation network header once, gated on !skb-innerprotocol...

7.8CVSS5.9AI score0.00163EPSS
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RedHat Linux
RedHat Linux
•added 2026/09/24 10:49 p.m.•15 views

kernel: net: tun: bound receive headroom

A flaw was found in the Linux kernel's TUN/TAP driver. An integer underflow vulnerability exists in the tungetuser function when processing oversized headroom requests. This can occur if Open vSwitch OVS propagates an excessively large headroom request to the TUN or TAP device. Successful...

7.8CVSS7.1AI score0.00357EPSS
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RedHat Linux
RedHat Linux
•added 2026/09/24 7:48 p.m.•15 views

kernel: net: tun: bound receive headroom

A flaw was found in the Linux kernel's TUN/TAP driver. An integer underflow vulnerability exists in the tungetuser function when processing oversized headroom requests. This can occur if Open vSwitch OVS propagates an excessively large headroom request to the TUN or TAP device. Successful...

7.8CVSS7.1AI score0.00357EPSS
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