{"cve":"CVE-2025-37849","nvd":{"published":"2025-05-09T07:16:05.760","modified":"2026-07-30T06:22:23.650","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Tear down vGIC on failed vCPU creation\n\nIf kvm_arch_vcpu_create() fails to share the vCPU page with the\nhypervisor, we propagate the error back to the ioctl but leave the\nvGIC vCPU data initialised. Note only does this leak the corresponding\nmemory when the vCPU is destroyed but it can also lead to use-after-free\nif the redistributor device handling tries to walk into the vCPU.\n\nAdd the missing cleanup to kvm_arch_vcpu_create(), ensuring that the\nvGIC vCPU structures are destroyed on error.","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/07476e0d932afc53c05468076393ac35d0b4999e","https://git.kernel.org/stable/c/2480326eba8ae9ccc5e4c3c2dc8d407db68e3c52","https://git.kernel.org/stable/c/250f25367b58d8c65a1b060a2dda037eea09a672","https://git.kernel.org/stable/c/5085e02362b9948f82fceca979b8f8e12acb1cc5","https://git.kernel.org/stable/c/c322789613407647a05ff5c451a7bf545fb34e73"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2025-37849","score":0.00273,"percentile":0.19726,"date":"2026-11-01"},"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."]}