Linux

Autonomous security research platform XBOW has disclosed CVE-2026-72018, a high-severity Linux kernel vulnerability that converts a tightly constrained out-of-bounds memory write into local root access. The flaw affects the DIBS loopback implementation used by the SMC-D shared-memory communication path, where...

A 14-year-old Linux kernel vulnerability can let a local attacker escalate to root privileges and, in a proof-of-concept environment, escape a Docker container to compromise the underlying host. The flaw in Linux’s AF_ALG userspace cryptographic interface stems from unsafe concurrent...

A newly disclosed Linux kernel vulnerability, tracked as CVE-2026-89775, could let attackers escape an ARM64 virtual machine and access the underlying host system. The issue affects KVM/arm64 environments where nested virtualization is enabled, creating a serious risk for multi-tenant cloud...

Four newly disclosed Linux kernel vulnerabilities could allow local attackers to corrupt kernel memory and escalate privileges to root on affected systems. The flaws, named DirtyAH6, TUNderflow, PPPoEject, and DiagSpill, affect long-standing networking code and have now received upstream fixes....

The U.S. Cybersecurity and Infrastructure Security Agency has added a Linux kernel vulnerability, tracked as CVE-2026-53362, to its Known Exploited Vulnerabilities catalog after confirming that attackers are exploiting the flaw in real-world attacks. The issue affects the Linux kernel’s IPv6...

A Linux kernel vulnerability, tracked as CVE-2026-64561 and named Zapscape, could allow attackers to escape a KVM virtual machine and take control of its underlying Linux host with root privileges. The issue affects KVM/x86, a virtualization technology that separates guest...

A public proof-of-concept has been released for a use-after-free flaw affecting the Linux kernel’s bridge subsystem, specifically its Spanning Tree Protocol implementation in net/bridge. The issue can leave STP timers active after the bridge network device that owns them has...

The Linux kernel project has released fixes for over 400 vulnerabilities within approximately 24 hours. These vulnerabilities span various areas, including networking, filesystems, memory management, Bluetooth, virtualization, drivers, and security components. This rapid wave of Common Vulnerabilities and Exposures (CVE)...

A Linux kernel vulnerability in the FUSE subsystem can allow a local attacker to gain root privileges by overflowing the page cache with attacker-controlled directory entries. The flaw is tracked as CVE-2026-31694 and affects the code path used when the...

A critical Linux kernel vulnerability, tracked as CVE-2026-43499 and dubbed “GhostLock,” has been disclosed by security researchers at VEGA, exposing a privilege escalation flaw that has silently affected major Linux distributions for over a decade. GhostLock originates from a logic...