null pointer

  1. CVE-2022-48841: Linux Ice Driver NULL Pointer Crash and Patch Guide

    A subtle NULL pointer check left out of the Linux kernel’s Intel “ice” Ethernet driver quietly turned into a kernel-level outage: CVE-2022-48841 is a NULL pointer dereference in ice_update_vsi_tx_ring_stats() that can crash an affected system and cause a denial-of-service condition unless the...
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    • denial of service ice driver linux kernel null pointer
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  2. Linux Kernel FPGA Test Code Patch CVE-2025-38274: Null Pointer DoS Fix

    A straightforward but dangerous null-pointer oversight in the Linux kernel’s FPGA test code — tracked as CVE‑2025‑38274 and disclosed in July 2025 — has been patched upstream after maintainers confirmed that the fpga_mgr_test_img_load_sgt() helper can pass a NULL pointer into sg_alloc_table()...
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    • cve 2025 38274 fpga test linux kernel null pointer
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  3. CVE-2024-31755: Null Pointer Crash in cJSON 1.7.17 and Patch in 1.7.18

    A null-pointer dereference in a compact C JSON library has quietly become a textbook reminder that tiny dependencies can create outsized operational risk: CVE-2024-31755 identifies a segmentation violation in cJSON v1.7.17 that can be triggered when the second parameter to cJSON_SetValuestring...
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    • cjson denial of service null pointer security patch
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    • Forum: Security Alerts