{"cve":"CVE-2022-50575","nvd":{"published":"2025-10-22T14:15:42.443","modified":"2026-06-17T05:23:49.233","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxen/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource()\n\nAs 'kdata.num' is user-controlled data, if user tries to allocate\nmemory larger than(>=) MAX_ORDER, then kcalloc() will fail, it\ncreates a stack trace and messes up dmesg with a warning.\n\nCall trace:\n-> privcmd_ioctl\n--> privcmd_ioctl_mmap_resource\n\nAdd __GFP_NOWARN in order to avoid too large allocation warning.\nThis is detected by static analysis using smatch.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0bf874183b32eae2cc20e3c5be38ec3d33e7e564","https://git.kernel.org/stable/c/46026bb057c35f5bb111bf95e00cd8366d2e34d4","https://git.kernel.org/stable/c/4da411086f5ab32f811a89ef804980ec106ebb65","https://git.kernel.org/stable/c/4f983ee5e5de924d93a7bbb4e6f68f38c6256cd5","https://git.kernel.org/stable/c/5d68ae32d132ea2af73bc223fd64c46f85302a8b"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:12:35.277909958+00:00"},"epss":{"cve":"CVE-2022-50575","score":0.0022,"percentile":0.12544,"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."]}