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rcu concurrency

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    CVE-2026-31532: Fix Use-After-Free in Linux CAN raw_rcv via Proper Teardown

    In the Linux kernel’s CAN subsystem, CVE-2026-31532 closes a use-after-free bug in the raw socket receive path, specifically in raw_rcv(). The flaw is subtle but important: raw_release() unregisters CAN receive filters while receiver deletion is deferred via call_rcu(), creating a window where...
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    • can raw sockets linux kernel rcu concurrency use-after-free
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    • Forum: Security Alerts
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