{"cve":"CVE-2023-52859","nvd":{"published":"2024-05-21T16:15:22.933","modified":"2026-06-17T06:43:45.327","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf: hisi: Fix use-after-free when register pmu fails\n\nWhen we fail to register the uncore pmu, the pmu context may not been\nallocated. The error handing will call cpuhp_state_remove_instance()\nto call uncore pmu offline callback, which migrate the pmu context.\nSince that's liable to lead to some kind of use-after-free.\n\nUse cpuhp_state_remove_instance_nocalls() instead of\ncpuhp_state_remove_instance() so that the notifiers don't execute after\nthe PMU device has been failed to register.","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-416"],"references":["https://git.kernel.org/stable/c/0e1e88bba286621b886218363de07b319d6208b2","https://git.kernel.org/stable/c/3405f364f82d4f5407a8b4c519dc15d24b847fda","https://git.kernel.org/stable/c/75bab28ffd05ec8879c197890b1bd1dfec8d3f63","https://git.kernel.org/stable/c/b660420f449d094b1fabfa504889810b3a63cdd5","https://git.kernel.org/stable/c/b805cafc604bfdb671fae7347a57f51154afa735"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2023-52859","score":0.00241,"percentile":0.15345,"date":"2026-10-31"},"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."]}