{"cve":"CVE-2022-50407","nvd":{"published":"2025-09-18T16:15:43.880","modified":"2026-08-15T13:17:35.100","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/qm - increase the memory of local variables\n\nIncrease the buffer to prevent stack overflow by fuzz test. The maximum\nlength of the qos configuration buffer is 256 bytes. Currently, the value\nof the 'val buffer' is only 32 bytes. The sscanf does not check the dest\nmemory length. So the 'val buffer' may stack overflow.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-674"],"references":["https://git.kernel.org/stable/c/34c4f8ad45b4ea814c7ecc3f23a2d292959d5a52","https://git.kernel.org/stable/c/3efe90af4c0c46c58dba1b306de142827153d9c0","https://git.kernel.org/stable/c/fc521abb6ee4b8f06fdfc52646140dab6a2ed334"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2022-50407","score":0.00175,"percentile":0.06982,"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."]}