Linux Kernel Security
The latest Linux Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-31681: The Linux Kernel Firewall Bug That Threatens Hybrid Windows Shops
On April 25, 2026, the National Vulnerability Database published a new Linux kernel vulnerability—CVE-2026-31681—in the netfilter subsystem’s xt_multiport module. The flaw allows a malformed...
Microsoft Sounds Alarm on Linux Kernel Bug (CVE-2026-31669) That Puts Hybrid Environments at Risk
{ "title": "Microsoft Sounds Alarm on Linux Kernel Bug (CVE-2026-31669) That Puts Hybrid Environments at Risk", "content": "On April 24, 2026, the Microsoft Security Response Center published an...
CVE-2026-31649: stmmac Driver Flaw Exposes Network Appliances to DMA Risks
On April 24, 2026, a vulnerability in the Linux kernel’s stmmac Ethernet driver was published that could allow attackers to trigger memory disclosure or corruption on embedded devices. The flaw,...
CVE-2026-31630: The Linux Kernel Off-by-One That Could Crash WSL and Linux Servers
On April 24, 2026, the U.S. National Vulnerability Database published CVE-2026-31630, a flaw in the Linux kernel that stems from a one-byte mistake—a buffer made just a byte too small to hold the...
Two Missing 'Return' Statements: Linux Kernel NFC Patch Stops Memory Corruption Bug
A missing “return” in two Linux kernel functions can trigger a use-after-free vulnerability that corrupts memory and opens the door to system compromise, according to a freshly disclosed CVE....
Microsoft Flags Linux Kernel TIPC Flaw CVE-2026-31662 — Here’s Who’s Actually Affected
Microsoft’s Security Response Center (MSRC) added a new vulnerability to its update guide on Tuesday: CVE-2026-31662. The bug can permanently freeze group broadcasts inside a running Linux kernel,...
Linux Kernel Race Condition in HugeTLB and userfaultfd Triggers System Crashes—Microsoft Tracks CVE-2026-31575
A newly published Linux kernel vulnerability, CVE-2026-31575, allows concurrent page-fault threads to corrupt critical memory reservation data, potentially crashing the system. The flaw stems from a...
Linux Kernel Flaw CVE-2026-23414 Puts WSL2 Systems at Risk: Patch Today
A newly disclosed vulnerability in the Linux kernel’s TLS implementation can be exploited by local users to slowly drain system memory, and Windows devices running Windows Subsystem for Linux 2...
CVE-2026-31672: Why This Linux Wi-Fi Driver Memory Leak Matters for Windows Admins
Microsoft’s vulnerability database just logged a Linux kernel bug that has nothing to do with Windows code—and that’s precisely why it matters. On April 24, 2026, CVE-2026-31672 was published,...
Microsoft Flags Linux Kernel Audio Bug That Could Crash PCs with Old Sound Blaster Cards
Microsoft's Security Response Center published an advisory on Tuesday for a Linux kernel vulnerability that can crash systems equipped with aging Creative Sound Blaster X-Fi sound cards. The fix,...
AMDGPU Kernel Bug CVE-2026-31566 Puts Linux Systems at Risk—Patch Ready
A newly disclosed vulnerability in the Linux kernel’s AMDGPU driver can cause use-after-free memory errors on systems with AMD graphics hardware, potentially leading to crashes or exploitation. The...
Microsoft Flags Linux Kernel Bug That Crashes Systems via USB Displays – Patch Now
On April 24, 2026, the National Vulnerability Database published CVE-2026-31605, a Linux kernel flaw that lets any local user crash a machine equipped with a USB display adapter. Within the same...