{"cve":"CVE-2023-53065","nvd":{"published":"2025-05-02T16:15:25.580","modified":"2026-10-15T22:17:35.960","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/core: Fix perf_output_begin parameter is incorrectly invoked in perf_event_bpf_output\n\nsyzkaller reportes a KASAN issue with stack-out-of-bounds.\nThe call trace is as follows:\n  dump_stack+0x9c/0xd3\n  print_address_description.constprop.0+0x19/0x170\n  __kasan_report.cold+0x6c/0x84\n  kasan_report+0x3a/0x50\n  __perf_event_header__init_id+0x34/0x290\n  perf_event_header__init_id+0x48/0x60\n  perf_output_begin+0x4a4/0x560\n  perf_event_bpf_output+0x161/0x1e0\n  perf_iterate_sb_cpu+0x29e/0x340\n  perf_iterate_sb+0x4c/0xc0\n  perf_event_bpf_event+0x194/0x2c0\n  __bpf_prog_put.constprop.0+0x55/0xf0\n  __cls_bpf_delete_prog+0xea/0x120 [cls_bpf]\n  cls_bpf_delete_prog_work+0x1c/0x30 [cls_bpf]\n  process_one_work+0x3c2/0x730\n  worker_thread+0x93/0x650\n  kthread+0x1b8/0x210\n  ret_from_fork+0x1f/0x30\n\ncommit 267fb27352b6 (\"perf: Reduce stack usage of perf_output_begin()\")\nuse on-stack struct perf_sample_data of the caller function.\n\nHowever, perf_event_bpf_output uses incorrect parameter to convert\nsmall-sized data (struct perf_bpf_event) into large-sized data\n(struct perf_sample_data), which causes memory overwriting occurs in\n__perf_event_header__init_id.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787"],"references":["https://git.kernel.org/stable/c/3a776fddb4e5598c8bfcd4ad094fba34f9856fc9","https://git.kernel.org/stable/c/ac5f88642cb211152041f84a985309e9af4baf59","https://git.kernel.org/stable/c/ddcf8320003638a06eb1e46412e045d0c5701575","https://git.kernel.org/stable/c/eb81a2ed4f52be831c9fb879752d89645a312c13","https://git.kernel.org/stable/c/ff8137727a2af4ad5f6e6c8b9f7ec5e8db9da86c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2023-53065","score":0.00212,"percentile":0.11438,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}