{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-04T10:44:34.443","vulnerabilities":[{"cve":{"id":"CVE-2023-54283","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-30T13:16:17.287","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Address KCSAN report on bpf_lru_list\n\nKCSAN reported a data-race when accessing node->ref.\nAlthough node->ref does not have to be accurate,\ntake this chance to use a more common READ_ONCE() and WRITE_ONCE()\npattern instead of data_race().\n\nThere is an existing bpf_lru_node_is_ref() and bpf_lru_node_set_ref().\nThis patch also adds bpf_lru_node_clear_ref() to do the\nWRITE_ONCE(node->ref, 0) also.\n\n==================================================================\nBUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem\n\nwrite to 0xffff888137038deb of 1 bytes by task 11240 on cpu 1:\n__bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [inline]\n__bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:149 [inline]\n__bpf_lru_list_rotate+0x1bf/0x750 kernel/bpf/bpf_lru_list.c:240\nbpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline]\nbpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline]\nbpf_lru_pop_free+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499\nprealloc_lru_pop kernel/bpf/hashtab.c:290 [inline]\n__htab_lru_percpu_map_update_elem+0xe7/0x820 kernel/bpf/hashtab.c:1316\nbpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313\nbpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200\ngeneric_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1687\nbpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4534\n__sys_bpf+0x338/0x810\n__do_sys_bpf kernel/bpf/syscall.c:5096 [inline]\n__se_sys_bpf kernel/bpf/syscall.c:5094 [inline]\n__x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5094\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nread to 0xffff888137038deb of 1 bytes by task 11241 on cpu 0:\nbpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline]\n__htab_lru_percpu_map_update_elem+0x2f1/0x820 kernel/bpf/hashtab.c:1332\nbpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313\nbpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200\ngeneric_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1687\nbpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4534\n__sys_bpf+0x338/0x810\n__do_sys_bpf kernel/bpf/syscall.c:5096 [inline]\n__se_sys_bpf kernel/bpf/syscall.c:5094 [inline]\n__x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5094\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nvalue changed: 0x01 -> 0x00\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 PID: 11241 Comm: syz-executor.3 Not tainted 6.3.0-rc7-syzkaller-00136-g6a66fdd29ea1 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023\n=================================================================="},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nbpf: Abordar el informe de KCSAN sobre bpf_lru_list\n\nKCSAN informó una condición de carrera de datos al acceder a node->ref.\nAunque node->ref no tiene que ser preciso,\naprovechar esta oportunidad para usar un patrón más común de READ_ONCE() y WRITE_ONCE()\nen lugar de data_race().\n\nExiste un bpf_lru_node_is_ref() y un bpf_lru_node_set_ref().\nEste parche también añade bpf_lru_node_clear_ref() para hacer el\nWRITE_ONCE(node->ref, 0) también.\n\n==================================================================\nERROR: KCSAN: condición de carrera de datos en __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem\n\nescritura en 0xffff888137038deb de 1 byte por la tarea 11240 en la CPU 1:\n__bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [en línea]\n__bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:149 [en línea]\n__bpf_lru_list_rotate+0x1bf/0x750 kernel/bpf/bpf_lru_list.c:240\nbpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [en línea]\nbpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [en línea]\nbpf_lru_pop_free+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499\nprealloc_lru_pop kernel/bpf/hashtab.c:290 [en línea]\n__htab_lru_percpu_map_update_elem+0xe7/0x820 kernel/bpf/hashtab.c:1316\nbpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313\nbpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200\ngeneric_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1687\nbpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4534\n__sys_bpf+0x338/0x810\n__do_sys_bpf kernel/bpf/syscall.c:5096 [en línea]\n__se_sys_bpf kernel/bpf/syscall.c:5094 [en línea]\n__x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5094\ndo_syscall_x64 arch/x86/entry/common.c:50 [en línea]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nlectura en 0xffff888137038deb de 1 byte por la tarea 11241 en la CPU 0:\nbpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [en línea]\n__htab_lru_percpu_map_update_elem+0x2f1/0x820 kernel/bpf/hashtab.c:1332\nbpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313\nbpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200\ngeneric_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1687\nbpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4534\n__sys_bpf+0x338/0x810\n__do_sys_bpf kernel/bpf/syscall.c:5096 [en línea]\n__se_sys_bpf kernel/bpf/syscall.c:5094 [en línea]\n__x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5094\ndo_syscall_x64 arch/x86/entry/common.c:50 [en línea]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nvalor cambiado: 0x01 -> 0x00\n\nReportado por Kernel Concurrency Sanitizer en:\nCPU: 0 PID: 11241 Comm: syz-executor.3 No contaminado 6.3.0-rc7-syzkaller-00136-g6a66fdd29ea1 #0\nNombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023\n=================================================================="}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/6e5e83b56f50fbd1c8f7dca7df7d72c67be25571","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6eaef1b1d8720053eb1b6e7a3ff8b2ff0716bb90","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/819ca25444b377935faa2dbb0aa3547519b5c80f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a89d14410ea0352420f03cddc67e0002dcc8f9a5","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b6d9a4062c944ad095b34dc112bf646a84156f60","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c006fe361cfd947f51a56793deddf891e5cbfef8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e09a285ea1e859d4cc6cb689d8d5d7c1f7c7c0d5","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ee9fd0ac3017c4313be91a220a9ac4c99dde7ad4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}