Latest cybersecurity reporting from selected sources.

Januscape: A 16-year-old Linux KVM flaw lets cloud VM tenants crash hosts and potentially escape guests. It affects Intel and AMD systems. Security researcher Hyunwoo Kim has published details of a use-after-free vulnerability in Linux’s KVM hypervisor that allows code running inside a guest virtual machine to corrupt host kernel memory. The bug, tracked as […]

Bad Epoll (CVE-2026-46242) lets local attackers gain root on Linux and Android. The flaw was missed by AI but found by a security researcher. A newly disclosed Linux kernel vulnerability, named Bad Epoll (CVE-2026-46242), allows a local attacker with no special privileges to gain full root access on affected Linux systems and Android devices. Security updates are […]

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 […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Android and Linux Kernel flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Windows Shell and ConnectWise ScreenConnect flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: The first flaw added to the catalog, tracked […]

CIFSwitch is a 19-year-old Linux logic bug turning forged CIFS auth keys into root. Affects Mint, CentOS, Rocky, Kali, SLES. CIFSwitch stands apart from typical privilege escalation vulnerabilities because of how it was discovered. Asim Manizada, a security engineer at SpaceX, didn’t find it by auditing source code the old-fashioned way. He built an AI-powered […]