Latest cybersecurity reporting from selected sources.

DirtyClone: a Linux kernel privilege escalation that silently rewrites executables in memory, leaving no disk trace. Patch now. JFrog Security Research published a working exploit walkthrough on June 25 for CVE-2026-43503 (CVSS score of 8.8), a Linux kernel privilege escalation they call DirtyClone. It’s the fourth vulnerability in the DirtyFrag family, all sharing the same […]

A Linux kernel nf_tables bug lets local users gain root via use-after-free caused by a logic error; patch removes a single “!”. CVE-2026-23111 lives in nf_tables, the Linux kernel’s packet filtering framework. Exodus Intelligence researcher Oliver Sieber found the bug in early 2025 and chained it into a full local privilege escalation. The flaw was […]

Proof-of-concept (PoC) exploit code has now been released for a recently patched security flaw in the Linux kernel that could allow for local privilege escalation (LPE)

CVE-2026-3888 Ubuntu snap flaw lets local users escalate to root via timing-based exploit

A high-severity security flaw affecting default installations of Ubuntu Desktop versions 24.04 and later could be exploited to escalate privileges to the root level

Hackers are targeting developers by exploiting the critical vulnerability CVE-2025-11953 in the Metro server for React Native to deliver malicious payloads for Windows and Linux. [...]

Hackers are targeting developers by exploiting the critical vulnerability CVE-2025-11953 in the Metro server for React Native to deliver malicious payloads for Windows and Linux. [...]

Threat actors exploited a recently patched remote code execution vulnerability (CVE-2025-20352) in older, unprotected Cisco networking devices to deploy a Linux rootkit and gain persistent access. [...]

Cloud security company Wiz has revealed that it uncovered in-the-wild exploitation of a security flaw in a Linux utility called Pandoc as part of attacks designed to infiltrate Amazon Web Services (AWS) Instance Metadata Service (IMDS)

Hackers were spotted exploiting a critical SAP NetWeaver vulnerability tracked as CVE-2025-31324 to deploy the Auto-Color Linux malware in a cyberattack on a U.S.-based chemicals company. [...]

Backdoor malware Auto-Color targets Linux systems, exploiting SAP NetWeaver flaw CVE-2025-31324

The recently uncovered 'Bootkitty' UEFI bootkit, the first malware of its kind targeting Linux systems, exploits CVE-2023-40238, aka 'LogoFAIL,' to infect computers running on a vulnerable UEFI firmware. [...]

Muhstik botnet exploits a critical Apache RocketMQ flaw (CVE-2023-33246) for remote code execution, targeting Linux servers and IoT devices for DDoS attacks and cryptocurrency mining

The attacks exploit CVE-2023-22518, a critical flaw in Atlassian Confluence Data Center and Server

CVE-2024-1086 turns the page tables on system admins A Linux privilege-escalation proof-of-concept exploit has been published that, according to the bug hunter who developed it, typically works effortlessly on kernel versions between at least 5.14 and 6.6.14. …

The Kinsing malware operator is actively exploiting the CVE-2023-46604 critical vulnerability in the Apache ActiveMQ open-source message broker to compromise Linux systems. [...]

The operators of the Kinsing malware are targeting cloud environments with systems vulnerable to "Looney Tunables," a Linux security issue identified as CVE-2023-4911 that allows a local attacker to gain root privileges on the system. [...]

Following the publication of the critical Linux security vulnerability, security specialists released PoC exploits to test the implications of CVE-2023-4911.

​Cybersecurity researchers and threat actors are targeted by a fake proof of concept (PoC) CVE-2023-35829 exploit that installs a Linux password-stealing malware. [...]

We observed the threat actor group known as “8220 Gang” employing new strategies for their respective campaigns, including exploits for the Linux utility “lwp-download” and CVE-2017-3506, an Oracle WebLogic vulnerability.