Linux_LPE_eBPF_CVE-2021-3490

Linuxローカル特権昇格eBPFCVE-2021-3490 CVE-2021-3490 のローカル特権昇格エクスプロイト。Ubuntu 20.04.02 および 20.10 Groovy Gorilla のカーネル 5.8.0-25.26 から 5.8.0-52.58 でテスト済み。 また、Ubuntu 21.04 Hirsute Hippo 5.11.0-16.17 でもテスト済み。 この脆弱性は Manfred Paul @manfp によって発見され、この コミット で修正されました。 作者: @chompie1337...

cve-2021-3490-ebpf-analysis

cve-2021-3490-ebpf-analysis 研究实现，演示与 CVE-2021-3490 相关的 Linux eBPF 子系统交互。包含 BPF map 创建、系统调用封装、命名空间设置和验证器分析。仅用于教育和安全研究目的。 CVE-2021-3490 – eBPF 验证器边界跟踪分析 概述 本仓库包含探索 Linux 内核 eBPF 子系统的 C 实现，涉及 CVE-2021-3490，这是一个涉及 eBPF 验证器中 32 位边界跟踪不正确的漏洞。 该项目的目标是理解 bpf 系统调用的内部工作方式、如何从用户空间创建和管理 BPF...

Linux Distros Unpatched Vulnerability : CVE-2021-3490

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The eBPF ALU32 bounds tracking for bitwise ops AND, OR and XOR in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of boun...

K43346111: Linux kernel eBPF vulnerability CVE-2021-3490

Security Advisory Description The eBPF ALU32 bounds tracking for bitwise ops AND, OR and XOR in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was fixed via...

Ubuntu: Security Advisory (USN-4950-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Metasploit Wrap-Up

Capture Credentials with our new SMB Server Our own Adam Galway revamped the old SMB capture module and now supports NTLMv1 and NTLMv2, as well as SMB1, SMB2 and SMB3. This was possible thanks to @zeroSteiner's new RubySMB server implementation. Metasploit is now able to capture NTLM hashes from...

Linux eBPF ALU32 32-bit Invalid Bounds Tracking Local Privilege Escalation

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Linux eBPF ALU32 32-bit Invalid Bounds Tracking LPE', 'Description' = %q Linux kernels from 5.7-rc1 prior to 5.13-rc4, 5.12.4, 5.11.21, and 5.10....

CVE-2021-3490

creationtimestamp| type| source ---|---|--- 2021-07-30 07:13:19+00:00| published-proof-of-concept| https://t.me/linkersec/98 2021-07-30 19:51:20+00:00| seen| https://t.me/ctinow/37820 2021-08-31 23:56:20+00:00| seen|...

Exploit for Improper Input Validation in Linux Linux_Kernel

LinuxLPEeBPFCVE-2021-3490 LPE exploit for CVE-2021-3490. T...

CVE-2021-3490

The eBPF ALU32 bounds tracking for bitwise ops AND, OR and XOR in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was fixed via commit 049c4e13714e "bpf: Fix...

CVE-2021-3490

Technical details about CVE-2021-3490 are not publicly provided in the supplied documents. Monitor for updates.

Fedora: Security Advisory for kernel (FEDORA-2021-286375de1e)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for kernel (FEDORA-2021-05152dbcf5)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for kernel-headers (FEDORA-2021-05152dbcf5)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for kernel-headers (FEDORA-2021-286375de1e)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Ubuntu 21.04 : Linux kernel vulnerabilities (USN-4950-1)

The remote Ubuntu 21.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4950-1 advisory. Ryota Shiga discovered that the eBPF implementation in the Linux kernel did not properly verify that a BPF program only reserved as much memory for a ring...

Ubuntu: Security Advisory (USN-4948-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...