null dereference

  1. CVE-2026-46110 stmmac NULL dereference: Linux RX ring fix for embedded networking

    CVE-2026-46110, published by NVD on May 28, 2026 from a kernel.org record, fixes a Linux kernel NULL-pointer dereference in the stmmac Ethernet driver when receive-buffer memory allocation is exhausted. The bug is not a Windows vulnerability, but it matters to WindowsForum readers because it...
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    • embedded networking linux kernel security null dereference stmmac ethernet
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  2. CVE-2026-31458: DAMON sysfs NULL dereference when nr_contexts becomes 0

    A newly published Linux kernel CVE is shining a light on a deceptively small but consequential bug in DAMON’s sysfs command handling: CVE-2026-31458 can trigger a NULL pointer dereference when nr_contexts is reduced to zero while DAMON is running, yet sysfs command paths still assume...
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    • damon sysfs kernel reliability linux kernel cve null dereference
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  3. CVE-2026-28389 CMS KeyAgreeRecipientInfo NULL Dereference: DoS Availability Risk

    Microsoft’s CVE-2026-28389 entry points to a possible NULL dereference while processing CMS KeyAgreeRecipientInfo, and the immediate practical consequence is a denial-of-service condition rather than code execution. The vulnerability description explicitly frames the impact as a total loss of...
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    • cms parsing cve 2026 denial of service null dereference
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    • Forum: Security Alerts