kasan null dereference

About this tag
The kasan null dereference tag on WindowsForum.com covers discussions about kernel memory safety bugs detected by the Kernel Address Sanitizer (KASAN), specifically null-pointer dereference vulnerabilities in the Linux kernel. Recent content highlights CVE-2026-31510, a Bluetooth L2CAP null dereference crash in the workqueue path, where a pointer is used without a NULL check. This tag is relevant for developers, system administrators, and security researchers tracking Linux kernel defects that can cause system crashes or be exploited. While the tag focuses on Linux, Microsoft's update guide has acknowledged this CVE, indicating cross-platform security monitoring. Topics include kernel debugging, memory corruption, and stable patch pipelines.

  1. CVE-2026-31510: Linux Bluetooth L2CAP NULL Dereference Crash in Workqueue

    Linux has published CVE-2026-31510 for a Bluetooth L2CAP bug that can crash the kernel when l2cap_sock_ready_cb touches a sk pointer without first checking whether it is NULL. The published record includes a KASAN-backed null-pointer dereference trace and ties the issue to an l2cap_info_timeout...
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    • bluetooth l2cap cve security kasan null dereference linux kernel
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