CVE-2026-53083

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> bpf: Fix RCU stall in bpf_fd_array_map_clear()<br /> <br /> Add a missing cond_resched() in bpf_fd_array_map_clear() loop.<br /> <br /> For PROG_ARRAY maps with many entries this loop calls<br /> prog_array_map_poke_run() per entry which can be expensive, and<br /> without yielding this can cause RCU stalls under load:<br /> <br /> rcu: Stack dump where RCU GP kthread last ran:<br /> CPU: 0 UID: 0 PID: 30932 Comm: kworker/0:2 Not tainted 6.14.0-13195-g967e8def1100 #2 PREEMPT(undef)<br /> Workqueue: events prog_array_map_clear_deferred<br /> RIP: 0010:write_comp_data+0x38/0x90 kernel/kcov.c:246<br /> Call Trace:<br /> <br /> prog_array_map_poke_run+0x77/0x380 kernel/bpf/arraymap.c:1096<br /> __fd_array_map_delete_elem+0x197/0x310 kernel/bpf/arraymap.c:925<br /> bpf_fd_array_map_clear kernel/bpf/arraymap.c:1000 [inline]<br /> prog_array_map_clear_deferred+0x119/0x1b0 kernel/bpf/arraymap.c:1141<br /> process_one_work+0x898/0x19d0 kernel/workqueue.c:3238<br /> process_scheduled_works kernel/workqueue.c:3319 [inline]<br /> worker_thread+0x770/0x10b0 kernel/workqueue.c:3400<br /> kthread+0x465/0x880 kernel/kthread.c:464<br /> ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:153<br /> ret_from_fork_asm+0x19/0x30 arch/x86/entry/entry_64.S:245<br />