{"cve":"CVE-2026-31569","nvd":{"published":"2026-04-24T15:16:31.420","modified":"2026-06-17T10:33:59.807","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Handle the case that EIOINTC's coremap is empty\n\nEIOINTC's coremap in eiointc_update_sw_coremap() can be empty, currently\nwe get a cpuid with -1 in this case, but we actually need 0 because it's\nsimilar as the case that cpuid >= 4.\n\nThis fix an out-of-bounds access to kvm_arch::phyid_map::phys_map[].","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","score":7.3},"cwes":["CWE-125"],"references":["https://git.kernel.org/stable/c/126053d0a685bf1f2e98db8966386f38b2336338","https://git.kernel.org/stable/c/2a0cbcd28ecf6e0b88fa498bebb94bd1be61a7c3","https://git.kernel.org/stable/c/b97bd69eb0f67b5f961b304d28e9ba45e202d841"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:09.003606135+00:00"},"epss":{"cve":"CVE-2026-31569","score":0.0012,"percentile":0.01788,"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."]}