Linux Kernel Security
The latest Linux Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Crashed Btrfs log replay on Linux 6.x can restore truncated files to full size
A newly published Linux kernel vulnerability, CVE-2026-43118, exposes a subtle but serious data integrity flaw in the Btrfs filesystem. Released on May 6, 2026, the advisory warns that under specific...
Linux Kernel Fixes Critical IPv6 TCP Race Condition in CVE-2026-43198
The Linux kernel community, in coordination with kernel.org, has disclosed a critical race-condition vulnerability tracked as CVE-2026-43198. Published in the National Vulnerability Database on May...
CVE-2026-43126 in Linux ALSA OSS: Patch Sound Card Removal UAF.
Linux kernel developers have disclosed CVE-2026-43126, a use-after-free vulnerability buried in the ALSA OSS mixer compatibility code. The bug, published on May 6, 2026, stems from missing disconnect...
Linux kernel AMD GPU bug (CVE-2026-43131) crashes systems when SMU disabled; Windows admins must patch WSL2, VMs.
A newly patched vulnerability in the Linux kernel’s AMDGPU driver could crash systems with certain AMD GPUs when the System Management Unit (SMU) is disabled. CVE-2026-43131, disclosed on May 6,...
CVE-2026-43116: Linux Kernel netfilter ctnetlink Expectation Locking Vulnerability Fixed
Linux kernel developers have pushed a fix for a newly disclosed vulnerability in the netfilter conntrack module that could enable local attackers to gain elevated privileges or crash systems. The...
CISA Adds Actively Exploited Linux "Copy Fail" Kernel Bug to KEV Catalog
{ "title": "CISA KEV: Linux “Copy Fail” CVE-2026-31431 Turns Kernel Bug Into Patch Deadline", "content": "The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added...
Microsoft Rushes Emergency Patches for WSL 2, Azure After Critical Linux kTLS Flaw
A critical vulnerability in the Linux kernel’s kernel TLS (kTLS) implementation has sent shockwaves through enterprise IT departments — and straight into Microsoft’s ecosystem. CVE-2026-31533,...
CVE-2026-31499 L2CAP Deadlock Shows Why Medium Linux Kernel CVEs Demand Action
A newly published Linux kernel vulnerability exposes a weakness in the Bluetooth subsystem's L2CAP layer—one that can freeze a system solid under the right conditions. CVE-2026-31499, rated medium...
CVE-2026-31545: Linux Kernel NFC Driver Flaw Fixed, Sleepable GPIO Context Bug Resolved
The Linux kernel project has patched a medium-severity vulnerability in the NXP NCI NFC driver, tracked as CVE-2026-31545, that could allow local attackers to disrupt system availability. Disclosed...
Microsoft Flags High-Severity Linux Kernel Flaw: How to Tell if CVE-2026-31563 Affects Your Network
Microsoft's Security Update Guide has published an advisory for CVE-2026-31563, a high-severity vulnerability in the Linux kernel's Cadence MACB/GEM Ethernet driver that could allow remote attackers...
CVE-2026-31661: Broadcom Wi-Fi Driver Flaw Can Crash Linux—But Only for Older Chips
The Linux kernel’s brcmsmac Wi-Fi driver has a memory accounting flaw that can crash vulnerable systems. The bug, tracked as CVE-2026-31661, requires local access and only impacts older Broadcom...
An AI Caught a 7.5-Severity Infinite Loop in the Linux Wi-Fi Stack—Here's What to Do
A single bad return code in the Linux kernel's wlcore Wi‑Fi driver can freeze a device solid—and it was caught by an experimental AI code-review agent. The vulnerability, tracked as...