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defensive programming

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    Linux Kernel Patch Defends Classmate Laptop from NULL Pointer OOPS (CVE-2026-23237)

    The Linux kernel received a small but important defensive patch that closes CVE-2026-23237 — a NULL-pointer robustness bug in the Classmate laptop (cmpc) platform driver — by adding defensive checks to several sysfs and input paths, preventing a kernel oops that could otherwise be triggered if...
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    Linux Kernel dm Cleanup Patch CVE-2024-50277: Defensive Fix for Allocation Failures

    A small, defensive upstream patch in the Linux kernel closed CVE-2024-50277 — a device-mapper (dm) crash that occurs when blk_alloc_disk fails and leaves md->disk set to an error pointer that is later dereferenced during device cleanup. The flaw is not a remote, privilege-escalation exploit; it...
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    • defensive programming device mapper kernel patch linux kernel
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    • Forum: Security Alerts
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