{"cve":"CVE-2021-47296","nvd":{"published":"2024-05-21T15:15:17.477","modified":"2026-08-04T10:16:56.760","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak\n\nvcpu_put is not called if the user copy fails. This can result in preempt\nnotifier corruption and crashes, among other issues.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50","https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209","https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252","https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533","https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47296","score":0.00236,"percentile":0.14643,"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."]}