{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-08T15:13:24.804","vulnerabilities":[{"cve":{"id":"CVE-2023-54173","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-30T13:16:05.157","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: Disable preemption in bpf_event_output\n\nWe received report [1] of kernel crash, which is caused by\nusing nesting protection without disabled preemption.\n\nThe bpf_event_output can be called by programs executed by\nbpf_prog_run_array_cg function that disabled migration but\nkeeps preemption enabled.\n\nThis can cause task to be preempted by another one inside the\nnesting protection and lead eventually to two tasks using same\nperf_sample_data buffer and cause crashes like:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000001\n  #PF: supervisor instruction fetch in kernel mode\n  #PF: error_code(0x0010) - not-present page\n  ...\n  ? perf_output_sample+0x12a/0x9a0\n  ? finish_task_switch.isra.0+0x81/0x280\n  ? perf_event_output+0x66/0xa0\n  ? bpf_event_output+0x13a/0x190\n  ? bpf_event_output_data+0x22/0x40\n  ? bpf_prog_dfc84bbde731b257_cil_sock4_connect+0x40a/0xacb\n  ? xa_load+0x87/0xe0\n  ? __cgroup_bpf_run_filter_sock_addr+0xc1/0x1a0\n  ? release_sock+0x3e/0x90\n  ? sk_setsockopt+0x1a1/0x12f0\n  ? udp_pre_connect+0x36/0x50\n  ? inet_dgram_connect+0x93/0xa0\n  ? __sys_connect+0xb4/0xe0\n  ? udp_setsockopt+0x27/0x40\n  ? __pfx_udp_push_pending_frames+0x10/0x10\n  ? __sys_setsockopt+0xdf/0x1a0\n  ? __x64_sys_connect+0xf/0x20\n  ? do_syscall_64+0x3a/0x90\n  ? entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nFixing this by disabling preemption in bpf_event_output.\n\n[1] https://github.com/cilium/cilium/issues/26756"}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/063c9ce8e74e07bf94f99cd13146f42867875e8b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3048cb0dc0cc9dc74ed93690dffef00733bcad5b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/36dd8ca330b76585640ed32255a3c99f901e1502","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c81bdf8f9f2b002d217c3d5357cdea9f2b82ff90","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d62cc390c2e99ae267ffe4b8d7e2e08b6c758c32","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}