{"cve":"CVE-2017-12154","nvd":{"published":"2017-09-26T05:29:00.277","modified":"2026-06-17T01:02:47.200","status":"Modified","description":"The prepare_vmcs02 function in arch/x86/kvm/vmx.c in the Linux kernel through 4.13.3 does not ensure that the \"CR8-load exiting\" and \"CR8-store exiting\" L0 vmcs02 controls exist in cases where L1 omits the \"use TPR shadow\" vmcs12 control, which allows KVM L2 guest OS users to obtain read and write access to the hardware CR8 register.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":7.1},"cwes":[],"references":["http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=51aa68e7d57e3217192d88ce90fd5b8ef29ec94f","http://www.debian.org/security/2017/dsa-3981","http://www.securityfocus.com/bid/100856","https://access.redhat.com/errata/RHSA-2018:0676","https://access.redhat.com/errata/RHSA-2018:1062"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:46:01.145313090+00:00"},"epss":{"cve":"CVE-2017-12154","score":0.00512,"percentile":0.43709,"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."]}