Tag: linux kernel flaw
6 articles
Linux Flaw Exposes Host Memory to Guest VMs
A newly discovered Linux kernel flaw, nicknamed "PwnEscape," could allow hackers to siphon off sensitive host memory data, crash the host system, or even run malicious code on it - all by sending specially crafted network packets from a virtual machine. This alarming vulnerability, tracked as CVE-2026-99999, exposes a staggering 32 bytes of host memory with each packet sent.
Linux Flaw Exposes Kernel Memory to Local Users, Enables Root Escalation
A newly uncovered nine-year-old flaw in Linux's vhost subsystem, dubbed Vghost, allows local users to tap into kernel memory and gain root access with alarming ease. This vulnerability, tracked as CVE-2026-74580, poses a significant threat, enabling unprivileged users to read and write kernel addresses and potentially take control of a system.
Ubuntu Linux Flaw Exposed, Enabling Host-Root Container Escape
A newly discovered Linux kernel flaw, CVE-2026-80521, can allow code running inside a container to gain root access on the host, posing a significant security risk. This alarming vulnerability is just one of nearly 5,700 Linux kernel CVEs published in 2026, a record high.
Linux Kernel Flaw Enables Unprivileged Root Access
A shocking Linux kernel flaw, dubbed pedit COW, allows unprivileged users to gain root access on vulnerable hosts by cleverly corrupting an in-memory cached copy of a setuid binary. This stealthy exploit requires no disk changes, making it nearly undetectable.
Linux Flaw Exposes Root Files to Unprivileged Users
A critical flaw in the Linux kernel has been discovered, allowing unprivileged users to access files that should be restricted to root accounts, putting system security at risk. This bug puts a spotlight on the importance of kernel access controls for system operators and users who rely on them.
Linux Flaw Exposes Root Access Risk
A newly discovered Linux kernel flaw, nicknamed Dirty Frag, poses a serious risk of root access to major Linux distributions, allowing attackers to exploit vulnerabilities and gain control. Security researcher Hyunwoo Kim found the flaw, which can be chained with other vulnerabilities to obtain root privileges.