{"cve":"CVE-2021-46917","nvd":{"published":"2024-02-27T07:15:08.383","modified":"2026-06-17T04:15:50.540","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: fix wq cleanup of WQCFG registers\n\nA pre-release silicon erratum workaround where wq reset does not clear\nWQCFG registers was leaked into upstream code. Use wq reset command\ninstead of blasting the MMIO region. This also address an issue where\nwe clobber registers in future devices.","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:N/A:N","score":5.5},"cwes":["CWE-668"],"references":["https://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833","https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7a","https://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9","https://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833","https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-46917","score":0.00225,"percentile":0.13248,"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."]}