{"cve":"CVE-2022-39189","nvd":{"published":"2022-09-02T05:15:07.693","modified":"2026-06-17T04:57:52.850","status":"Modified","description":"An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.","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":[],"references":["https://bugs.chromium.org/p/project-zero/issues/detail?id=2309","https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17","https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736","https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736","https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"],"products":["linux:linux_kernel","netapp:hci_baseboard_management_controller"],"source":"nvd","synced_at":"2026-10-19T21:35:14.992143698+00:00"},"epss":{"cve":"CVE-2022-39189","score":0.00341,"percentile":0.27626,"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."]}