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security cve

About this tag
The security cve tag on WindowsForum.com covers discussions about specific Common Vulnerabilities and Exposures (CVEs) affecting various platforms, including Linux kernel components and Microsoft Azure services. Recent threads detail CVE-2026-23390, a Linux kernel vulnerability in the dma_map_sg tracepoint that could lead to buffer overflow under heavy workloads, and CVE-2026-21226, a remote code execution flaw in the Azure Core shared client library for Python. These posts provide technical analysis, patch guidance, and mitigation strategies for system administrators and developers. The tag focuses on real-world security issues, their impact, and remediation steps, making it a resource for staying informed about critical vulnerabilities.
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    CVE-2026-23390: Linux dma_map_sg Tracepoint Fixed With 128-Entry Cap

    CVE-2026-23390 is a textbook example of how a small tracing feature can become a security concern when real-world workloads push it beyond the assumptions baked into the code. The Linux kernel’s dma_map_sg tracepoint could allocate dynamic arrays large enough to overflow the fixed...
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    • Thread
    • dma map sg linux kernel perf tracing security cve
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-21226: Azure Core Python RCE and patch guidance

    Microsoft’s Security Update Guide assigned CVE‑2026‑21226 to the Azure Core shared client library for Python, flagging a remote code execution (RCE) class vulnerability in a foundational SDK component used across dozens of Azure client libraries — a high‑impact finding that requires prompt...
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    • Thread
    • azure core python azure sdk patching guidance security cve
    • Replies: 0
    • Forum: Security Alerts
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