{"cve":"CVE-2018-20449","nvd":{"published":"2019-04-04T16:29:00.383","modified":"2026-06-17T01:52:51.827","status":"Modified","description":"The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading \"callback=\" lines in a debugfs file.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":["CWE-200"],"references":["https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L92","https://security.netapp.com/advisory/ntap-20190502-0002/","https://www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03808.html","https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L92","https://security.netapp.com/advisory/ntap-20190502-0002/"],"products":["linux:linux_kernel","netapp:element_software_management_node"],"source":"nvd","synced_at":"2026-10-19T20:55:22.313337056+00:00"},"epss":{"cve":"CVE-2018-20449","score":0.00421,"percentile":0.36429,"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."]}