182 results for “Linux”

lnd v0.20.7 and v0.21.6 are Lightning Network Daemon releases announced by Clio Bitcoin Bank. They include a Go-specific mitigation, with the MPTCP flag turned off, for CVE-2026-98432, a use-after-free in the Linux kernel's IPv4 TCP code. The post recommends all users update. It gives no exploit or impact detail.

x.comadvisoryPublished and added 31 Oct 2026🛡️ Security

Microsoft Threat Intelligence analyzes a tampered anthropic.claude-code extension (versions 2.1.312 and 2.1.313) served on the Cursor marketplace on 29 October 2026. The injected JavaScript loader adds an SSH key labeled svc-telemetry, opens a reverse SSH tunnel and sets up persistence on macOS, Linux and Windows. The post gives cleanup steps, IOCs and Defender XDR hunting queries. VS Code Marketplace and npm were not affected.

microsoft.comwriteupPublished and added 31 Oct 2026🛡️ Security

CVE-2026-98432 is a use-after-free race condition in the Linux kernel IPv4 TCP code (tcp_v4_syn_recv_sock, ireq_opt), affecting kernels back to 4.4 and rated 9.8 by the kernel CVE team (Red Hat rates it 5.9). Anthropic researchers say an unreleased Claude model built an exploit that bypassed KASLR and got remote root on an MPTCP listener in about 53 minutes. The article lists distro patch status and CIQ's nftables mitigation for IP options; disabling MPTCP alone does not help. No in-the-wild exploitation is reported.

bleepingcomputer.comarticlePublished and added 30 Oct 2026🛡️ Security

PHP2Shell (CVE-2026-109618 and CVE-2026-109619) has been exploited for over a week. A China-linked group chained it with the Fragnesia Linux kernel privilege escalation to root at least 25 Palo Alto Networks PAN-OS firewalls with exposed management interfaces. Defiant had seen no confirmed WordPress compromise by 28 October 2026 despite 77,000 requests, and Cato and watchTowr report few successful attackers.

securityweek.comarticlePublished and added 30 Oct 2026🛡️ Security

CVE-2026-97229 is a CVSS 10 code execution flaw in Onigmo, Ruby's regular expression engine, reachable through crafted CI/CD configuration in GitLab. Attackers used it against Alpine Linux's GitLab on 20 and 21 October 2026 and failed; Alpine rebuilt the instance and found no tampering with aports or packages. Self-managed installs with their own Ruby need Ruby 3.3.13, 3.4.12 or 4.0.9, not just GitLab 19.3.6. CISA added it to KEV.

securityweek.comarticlePublished and added 30 Oct 2026🛡️ Security

CVE-2026-111585 (CVSS 8.8) is an integer overflow in the remote-control screen processing of TeamViewer clients on Windows, macOS, Linux and Android. A malicious or compromised host can announce an oversized screen surface (for example 32768 by 32768 at 32 bpp), forcing a software decode path and an out-of-bounds write that crashes the viewer or runs code. Remedio's research shows a pointer overwrite routed to WinExec. Version 15.83 fixes it, along with CVE-2026-92372, CVE-2026-92374 and six local privilege escalation bugs.

securityweek.comarticlePublished and added 30 Oct 2026🛡️ Security

CVE-2026-98432 is a use-after-free in the Linux kernel IPv4 TCP handshake path: a request socket's ireq_opt pointer moves to the child socket as inet_opt and is freed with kfree() while a retransmitted-SYN CPU still reads it under RCU. The fix (commit e3f33b0a1d89) uses kfree_rcu(). The page covers CVSS 9.8 versus vendor scores, Anthropic's MPTCP root-exploit lab demo, per-distribution patch checks, MPTCP listener inventory and detection guidance. The page was truncated before its mitigation section.

penligent.aiarticleAdded 31 Oct 2026, published 30 Oct 2026🛡️ Security

Unit 42 threat brief on PHP2Shell, two PHP remote code execution flaws, CVE-2026-109618 and CVE-2026-109619 (CVSS 4.0 9.2), both caused by longjmp() error handling that leaves memory uninitialized or freed. Cortex Xpanse counted over 22.6 million exposed instances. The 29 October 2026 update says attackers chained PHP2Shell with a Linux kernel privilege escalation against internet-exposed PAN-OS management interfaces. An earlier 23 October claim of post-compromise activity was retracted on 25 October.

unit42.paloaltonetworks.comadvisoryAdded 30 Oct 2026, published 29 Oct 2026🛡️ Security

Fragnesia (CVE-2026-46300) is a Linux kernel XFRM ESP-in-TCP logic bug in the Dirty Frag class that gives local attackers root, with a public PoC. CISA added it to the KEV catalog and ordered federal patching under BOD 26-04. Attackers chain it with PHP2Shell (CVE-2026-109618, CVE-2026-109619) to implant PHP webshells. Dream Security tied the chain to 25 rooted servers in the US, Japan, Taiwan and South Korea.

bleepingcomputer.comarticleAdded 30 Oct 2026, published 29 Oct 2026🛡️ Security

CVE-2026-98432 is a Linux kernel use-after-free in the IPv4 TCP stack, tracked by Ubuntu (published 15 October 2026, updated 29 October 2026). ireq_opt/inet_opt were freed with plain kfree() while another CPU built a SYNACK under RCU, so ip_options_build() read freed memory; the fix uses kfree_rcu(). Ubuntu rates it High priority, CVSS v3.1 9.8 and v4.0 8.3. The page text does not list per-release package status.

ubuntu.comadvisoryAdded 30 Oct 2026, published 29 Oct 2026🛡️ Security

DailyDarkWeb post summarising Anthropic Frontier Red Team research published 27 October 2026. An unreleased internal Claude research model built five attack chains: Chrome sandbox escape (V8 heap bug, CacheStorage race, FedCM use-after-free), a Safari same-origin policy bypass, data extraction from a locked Pixel 9 over USB, a Windows QUIC kernel crash (CVE-2026-33096) and zero-click Linux root via multipath TCP (CVE-2026-98432). Anthropic says all flaws are fixed, including 62 Chrome CVEs as of Chrome 156. The post notes the chains are not independently reproduced.

x.comthreadAdded 30 Oct 2026, published 29 Oct 2026🛡️ Security

no-agent-summary.js is a roughly 70-line Bun preload by Flamerix AI that stops Claude Code from re-sending each background agent's full transcript to its model every ~30 seconds for a status-line summary. The write-up cites OpenTelemetry measurements of 18 to 26 percent of spend (since version 2.1.232), explains the setTimeout hook, and gives install and verify steps. It was tested on Linux with Claude Code 2.1.257 to 2.1.312.

gist.github.comwriteupAdded 30 Oct 2026, published 29 Oct 2026🧠 AI

Alpine Linux incident report on attempted exploitation of CVE-2026-97229 (CVSS 10.0), a regex-evaluation bug in Ruby's Onigmo engine reachable through GitLab CI configuration. An attacker crashed workers 8 times on 20 and 21 October 2026. Upgrading to GitLab 19.3.6 did not fix it because the patch sits in GitLab's bundled Ruby. Alpine rebuilt the instance and found no tampering with aports or releases.

alpinelinux.orgwriteupAdded 29 Oct 2026, published 28 Oct 2026🛡️ Security

clauth is a Rust terminal UI for Claude Code that combines multi-account switching with a live 5h / 7d usage monitor. A fallback chain moves the user off an exhausted account before Claude Code blocks. It supports Pro, Max, Team and Enterprise OAuth accounts and custom API endpoints on Linux, macOS and Windows. The post notes that auto-switching means the tool decides when accounts change.

x.comtoolAdded 30 Oct 2026, published 28 Oct 2026🧠 AI

Trail of Bits post says it achieved remote code execution through a Brotli decoder bug in Linux lab setups: Node.js 24.22.0 with Express 5.3.0 via the standard JSON parser (x86-64 and ARM64), and Electron 41.10.7 (x86-64) with a custom decoding service. Exploitation needs a carefully matched setup and repeated attempts. A scanner by ToBScottA finds hidden copies of the decoder, including in stripped binaries.

x.comthreadAdded 30 Oct 2026, published 28 Oct 2026🛡️ Security

CISA alert of 28 October 2026 adding two vulnerabilities to the Known Exploited Vulnerabilities Catalog on evidence of active exploitation: CVE-2026-41709 (Broadcom VMware ESX insufficient logging) and CVE-2026-46300 (Linux kernel missing variable initialization). It restates BOD 26-04, which requires federal civilian agencies to prioritize fast remediation of KEV CVEs on exposed assets and to check for prior compromise. It also links the KEV nomination form.

cisa.govadvisoryAdded 29 Oct 2026, published 28 Oct 2026🛡️ Security

The article describes reflashing a Huawei E3372h-153 HiLink 4G USB modem so its embedded Linux OS runs an OpenVPN client over the mobile network, creating a covert, network-independent persistence channel after physical USB access. It walks through enabling debug mode, flashing firmware, disabling CD-ROM emulation, configuring DHCP and autorun scripts, and chaining a second L2VPN tunnel to bridge the attacker directly onto the victim's Ethernet segment for tools like Responder. Defense guidance focuses on restricting USB ports and disabling USB network adapters via policy.

hackers-arise.comwriteupPublished and added 28 Oct 2026🛡️ Security

A China-linked actor chained PHP2Shell (CVE-2026-109618, CVE-2026-109619) with the Fragnesia Linux kernel privilege escalation (CVE-2026-46300) to root firewalls and drop PHP webshells, per Dream. Using FOFA, the actor narrowed 19,000 firewalls to 240 targets and rooted 24 on 23-24 October. On two US government-affiliated devices it used a reverse SSH tunnel, hit the firewall management server, and attempted LDAP and Active Directory abuse.

securityweek.comarticlePublished and added 28 Oct 2026🛡️ Security

Veeam patched five vulnerabilities across Backup & Replication, Veeam Agent for Linux and Veeam ONE. The worst is CVE-2026-108142 (CVSS 9.1), an unauthenticated authorization bypass in the CDP Coordinator Service affecting Backup & Replication 13.0 and 13.1. Other fixes cover Linux agent privilege escalation, two path-traversal file writes, and a Veeam ONE MFA bypass; fixed builds are listed.

x.comadvisoryAdded 30 Oct 2026, published 28 Oct 2026🛡️ Security

Trail of Bits argues that stable and LTS software, such as Ubuntu 26.04 LTS, Debian 13 and stable Linux kernel branches, carries many known CVEs that were fixed upstream but never backported. It measures the gap using the kernel CVE team's vulns.git (18 September 2026) and Debian and Ubuntu CVE feeds. Using Codex with GPT-5.6, the team got 142 fixes covering 90 CVEs applied to stable kernel trees and has begun sending patches to distributions.

blog.trailofbits.comarticlePublished and added 27 Oct 2026🛡️ Security

Ollama overview thread by Akash Rajagopal on X. It lists six steps: install on macOS, Linux, Windows or Docker; run `ollama run gemma4`; use the REST API on localhost:11434 (/api/chat); call it from ollama-python and ollama-js; llama.cpp as the README's supported backend; and `ollama launch claude` to connect Claude Code. Codex, OpenCode, Copilot CLI and Droid also work. The thread cites 184k GitHub stars and an MIT licence.

x.comthreadAdded 27 Oct 2026, published 26 Oct 2026🧠 AI

Hob is an MIT-licensed desktop app from Frigade that runs open-weight models such as Gemma and gpt-oss locally on Mac, Windows and Linux. It picks the best open-weight model that fits the user's computer and sets it up. It is positioned as a free, private, offline alternative to Claude and ChatGPT for tasks like filling out PDFs and working through documents. The page gives no technical detail on its runtime.

github.comrepoAdded 27 Oct 2026, published 26 Oct 2026🧠 AI

The r/opensource subreddit's new submission rules bar projects made with, using or intended for AI, and add requirements that exclude new solo projects and non-English speakers. Projects must be at least one year old, OSI-licensed, actively maintained and have roughly three or more contributors. Moderator Wolvereness said there is no objective way to enforce the AI rule. Users questioned the Linux kernel's eligibility and started r/trueopensource.

en.cryptonomist.charticlePublished and added 26 Oct 2026🧠 AI

HiRoute is an open-source (Apache-2.0) local model router for developers using agent clients such as Codex and Claude Code. Routing plans judge each new message and send routine work to economical models, while harder design decisions and fixes stay on the primary model. It supports custom task branches, ordered failover candidates with explicit exhaustion, per-session cost and usage records, and runs as a macOS desktop app or a Linux CLI and daemon.

x.comtoolAdded 25 Oct 2026, published 24 Oct 2026🧠 AI

Analysis of the 19 October 2026 swap of binaries on five ovh/ovhcloud-cli GitHub releases (v0.11.0 to v0.15.0), live 94 minutes. StepSecurity rebuilt the attacker's binary, detonated the recovered GlassWorm preinstall.js loader against a controlled Solana dead drop, and found install.sh never exposed arm64 Linux, Homebrew was safe, and `ovhcloud version` showing "undefined" identifies the swapped build. Includes IOCs and recovery steps.

stepsecurity.iowriteupPublished and added 24 Oct 2026🛡️ Security

AI Quanting's X thread covers Moonshot's Kimi K3.1 Pro release (1M-token context, open weights promised by November 4). Moonshot removed cyber data from mid-training and RL stages; on its in-house xdev-bench-hard exploit benchmark (Linux kernel, Node.js, JavaScriptCore, Exim, VirGL bugs) pass@3 fell from 90.5% to 81.0%. The author argues this is only about a tenth of the capability, so four in five expert exploit tasks remain solvable.

x.comthreadAdded 25 Oct 2026, published 24 Oct 2026🛡️ Security

Simon Willison's link post covers Anthropic's 22 October 2026 announcement that it is donating the Agent Skills standard to the Agentic AI Foundation (AAIF) under the Linux Foundation. Anthropic co-founded the AAIF with Block and OpenAI and earlier donated MCP to it. Willison notes he predicted this in December 2025 and found his old post by querying his blog through datasette-mcp in Claude.

simonwillison.netarticlePublished and added 22 Oct 2026🧠 AI

Phoronix reports that Trend Micro's Zero Day Initiative mistakenly sent several Linux kernel vulnerability reports to the public kernel mailing list instead of the private security list. They include two CVSS 9.0 remote code execution bugs (SMB Direct integer underflow, ksmbd race condition), a skb_zerocopy local privilege escalation, a vmwgfx out-of-bounds write, an NVMET information disclosure and a search-domain TCP stack buffer overflow. Some have patches in -next branches, and none were yet in mainline.

phoronix.comarticleAdded 23 Oct 2026, published 22 Oct 2026🛡️ Security

Agent Skills is an open standard in which a skill is a folder with a SKILL.md file plus scripts and reference material. Anthropic is donating the name, logo, GitHub organization and agentskills.io domain to the Agentic AI Foundation under the Linux Foundation. Over 70 platforms have integrated it, with 1 million skills published and nearly 280 million installs. The proposed roadmap covers versioned releases, a proposal process and security guidance.

anthropic.comarticleAdded 29 Oct 2026, published 22 Oct 2026🧠 AI

AWS bulletin 2026-143-AWS covers CVE-2026-109618 and CVE-2026-109619, critical PHP web runtime flaws that let an unauthenticated remote caller run code, read process data or cause denial of service. Fixed in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35; PHP 5.4 to 8.1 get no fix. It gives status for WorkMail, Elastic Beanstalk, Amazon Linux and Lightsail, plus AWS WAF rules, including a custom "PHP2Shell" rule matching PHP_SESSION_UPLOAD_PROGRESS and PHPSESSID.

aws.amazon.comadvisoryAdded 22 Oct 2026, published 21 Oct 2026🛡️ Security