{"cve":"CVE-2022-2652","nvd":{"published":"2022-08-04T10:15:07.990","modified":"2026-06-17T04:42:17.237","status":"Modified","description":"Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","score":6.0},"cwes":["CWE-134"],"references":["https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd","https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5","https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd","https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5"],"products":["v4l2loopback_project:v4l2loopback"],"source":"nvd","synced_at":"2026-10-19T21:34:18.502168378+00:00"},"epss":{"cve":"CVE-2022-2652","score":0.00334,"percentile":0.26813,"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."]}