Threats Tagged 'cve-2026-63981'
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Threats Tagged 'cve-2026-63981'
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In the Linux kernel, the following vulnerability has been resolved: net/sched: act_mirred: Fix blockcast recursion bypass leading to stack overflow… (CVE-2026-63981)CVE-2026-63981 0 A vulnerability in the Linux kernel's traffic control mirred action (act_mirred) allows a recursion bypass that leads to a stack overflow. The issue arises because the recursion counter is not incremented when using blockcast, enabling unbounded recursion between devices sharing a mirred blockcast rule. This can cause a kernel stack overflow and panic. The vulnerability is exploitable by unprivileged users with user namespace capabilities that grant CAP_NET_ADMIN in a new network namespace. Join the discussion | GCVE Database | 07/19/2026, 18:31:48 UTC Added: 07/19/2026, 19:38:18 UTC |
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