Cve 2026 48560
The latest Cve 2026 48560 coverage — news, analysis, and updates from the WindowsNews.AI desk.
Linux Kernel Bug Fixed After 20 Years: WSL 2 and VM Users Must Update to Avoid Memory Attacks
A use-after-free vulnerability in the Linux kernel’s ALSA OSS compatibility layer, present since 2006, was disclosed in July 2026. The flaw can be triggered under memory pressure while writing audio configurations, potentially leading to system crashes or code execution. Windows users running WSL 2, Linux VMs, or dual-boot systems must update their Linux kernels immediately to mitigate the risk.
Linux Kernel Crash Bug Hits WSL 2 and Docker — Here’s How to Patch It
A race condition in the Linux Netfilter firewall (CVE-2026-64079) can crash kernels running in WSL 2, Docker Desktop, and Linux VMs. Windows hosts are unaffected, but any Linux instance must be patched to prevent denial-of-service. The fix moves hook allocation under a mutex and adds RCU synchronization; users should update WSL, Docker, and guest VMs immediately.
Linux Kernel BPF Flaw CVE-2026-64036 Exposes Local Attack Paths – Patch Now
A high-severity Linux kernel flaw (CVE-2026-64036, CVSS 7.8) in the cgroup rstat subsystem lets local attackers with BPF capabilities trigger out-of-bounds memory access, risking crashes or compromise. The bug affects kernels since 6.1, including WSL 2, but is patched in fixed versions. Users and admins should update immediately and audit BPF-related capabilities.
New Linux LM90 Driver Flaw: What Windows and WSL Administrators Should Do Right Now
A use-after-free race in the Linux kernel's lm90 temperature sensor driver (CVE-2026-64038) can lead to crashes or memory corruption during device removal or initialization failure. While not a native Windows vulnerability, it affects WSL, Linux servers, and embedded devices commonly managed from Windows environments. The fix, available in recent stable kernels, reorders worker cancellation and adds a shutdown flag.
CVE-2026-63882: A Missing Check in AMD’s Linux Kernel Driver Can Crash Your System
CVE-2026-63882 is a Linux kernel vulnerability in AMD’s KFD compute driver that can cause a NULL pointer dereference and system crash when an SVM ioctl is called before the required VM acquisition step. The fix has been backported to multiple stable kernels (6.1.176, 6.6.143, 6.12.93, 6.18.35, 7.0.12, and 7.1). Most affected are shared GPU servers and containerized workloads; home users with standard AMD graphics are unlikely to be impacted unless they actively use ROCm or HIP.
BusyBox 1.38.0 Heap Overflow Puts Routers, Containers, and IoT at Risk—Here’s How to Respond
CVE-2026-38755 is a heap overflow vulnerability in BusyBox 1.38.0's ash shell that can cause denial of service on routers, embedded devices, and containers. While remote code execution has not been confirmed, the widespread use of BusyBox makes asset discovery and vendor patch verification urgent. The article provides a practical multi-step response plan for IT and security teams.
Fix Your WSL 2 Kernel Now: Linux Ebtables Flaw CVE-2026-64077 Scores High Severity
CVE-2026-64077 is a high-severity Linux kernel vulnerability in ebtables that affects kernels from 5.15 onward. Windows users with WSL 2, Docker Desktop, or Linux VMs must update their Linux kernels immediately. The fix is available upstream in Linux 6.18.34, 7.0.11, and 7.1. Follow our step-by-step guide to patch WSL, Docker, and VMs without delay.
Patch Now: AMDGPU Kernel Race Condition (CVE-2026-63879) Opens Linux Systems to Local Attacks
A high-severity vulnerability (CVE-2026-63879) in the Linux kernel's AMDGPU driver allows local attackers to exploit a race condition in GPU memory management, potentially compromising system memory. The flaw, rated 7.8 CVSS, affects kernel versions 6.2 through 7.0.11 and has been fixed in 7.0.12 and 7.1. All AMD Radeon and Instinct users on Linux should update and reboot immediately, with extra urgency for shared GPU servers and compute clusters.
AMD iGPU/GPU Linux Kernel Flaw Threatens System Security — Dual-Booters Must Act
A high-severity Linux kernel flaw (CVE-2026-64097) in AMD’s VBIOS parsing can be exploited locally to access kernel memory. Windows systems are not directly affected, but dual-booters must update their Linux kernels immediately. Patching is simple and available for all major distributions.
A Zero-Length I/O Request Just Became a Critical Linux Kernel Vuln—Here’s What to Patch
A critical vulnerability (CVE-2026-63940, CVSS 9.3) in the Linux kernel’s KVM AMD SEV code allows guests to trigger memory arithmetic flaws via zero-length I/O requests. Patched kernels are available for 6.12.95, 6.18.35, 7.0.12, and 7.1. Windows machines are not directly affected, but Windows VMs on unpatched AMD KVM hosts are at risk. Administrators must inventory SEV-enabled hosts and apply the host-level fix promptly.
Host-Crashing QEMU Bug Hits Windows Guests: Patch CVE-2026-3842 Now
A vulnerability in QEMU’s Hyper‑V synthetic debugger (CVE-2026-3842) allows a Windows guest to crash the host process via an out‑of‑bounds write. The flaw is in the virtual machine monitor, not in Windows. QEMU maintainers have released a fix, and major Linux distributions are now shipping updated packages. Administrators must update QEMU, restart affected VMs, and review whether the optional synthetic debugger feature is enabled.
High-Severity Linux Audio Driver Flaw Fixed — Here’s Who Needs to Act
CVE-2026-64133 is a high-severity out-of-bounds read vulnerability in the Linux kernel's ALSA driver for AudioScience ASI professional sound cards. Fixed in recent stable kernel releases, it poses no direct risk to Windows users but requires immediate patching on Linux-based broadcast and audio production systems. The flaw, which scored 7.8 on the CVSS scale, could allow local attackers to compromise kernel memory, but only on machines with the specific hardware.
OpenSSL’s Key-Leaking DHX Flaw Puts Windows Apps at Risk: Here’s How to Respond
CVE-2026-42770 is a newly patched OpenSSL vulnerability that can leak private Diffie-Hellman keys under specific conditions. While Windows itself is not affected, many third-party Windows applications bundle vulnerable OpenSSL libraries, requiring administrators to inventory and update their software. The fix is available in OpenSSL 3.0.21, 3.4.6, 3.5.7, 3.6.3, and 4.0.1.