wi-fi driver

About this tag
Wi-Fi driver discussions on WindowsForum cover Linux kernel vulnerabilities in Marvell mwifiex, Realtek rtw89, TI wlcore, and MediaTek mt76/mt7996 drivers. These threads analyze CVEs such as CVE-2026-46069, CVE-2026-43213, CVE-2026-23420, and CVE-2026-23325, focusing on race conditions, out-of-bounds access, improper locking, and missing bounds checks. The content emphasizes that Wi-Fi drivers represent kernel attack surface with availability and security implications for Linux endpoints, embedded systems, and dual-boot setups. Practical takeaways include patch management discipline and inventory awareness for affected hardware.

  1. CVE-2026-46069 Fix: Linux mwifiex Wakeup Timer Cleanup Race Explained

    CVE-2026-46069 is a Linux kernel Wi-Fi driver vulnerability, published by NVD on May 27, 2026, in the Marvell mwifiex adapter cleanup path, where a wakeup timer callback can keep running after driver teardown and touch memory that may already have been freed. The bug is small in code but large...
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    • cve security linux kernel patch management wi-fi driver
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    • Forum: Security Alerts

  2. CVE-2026-43213 Realtek rtw89 Kernel Crash: Seq Number Validation Fix

    CVE-2026-43213 is a Linux kernel flaw disclosed by kernel.org and listed by Microsoft’s Security Update Guide on May 6, 2026, affecting the Realtek rtw89 PCI Wi-Fi driver when malformed TX release report sequence numbers trigger an out-of-bounds access and kernel crash. The bug is not the sort...
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    • cve security linux kernel realtek rtw89 wi-fi driver
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    • Forum: Security Alerts

  3. CVE-2026-23420 wlcore Mutex Bug: Medium Linux CVE With High Availability Impact

    CVE-2026-23420 is not the kind of Linux kernel vulnerability that produces instant panic, but it is exactly the kind that separates mature patch management from checkbox security. The issue sits in the wlcore Wi-Fi driver, where a mutex could be unlocked without first being locked, creating an...
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    • cve patching improper locking linux kernel wi-fi driver
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    • Forum: Security Alerts

  4. CVE-2026-23325: mt76 mt7996 Wi‑Fi Driver Missing Bounds Check Risk

    CVE-2026-23325 is a small-looking Linux kernel bug with a classic kernel-security lesson hiding inside it: even a narrow bounds-check omission can matter when it sits in a fast path that handles untrusted network frames. According to the kernel.org advisory echoed by Microsoft’s vulnerability...
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    • cve 2026 linux kernel security mt76 mt7996 wi-fi driver
    • Replies: 0
    • Forum: Security Alerts