{"cve":"CVE-2021-47328","nvd":{"published":"2024-05-21T15:15:19.823","modified":"2026-08-04T10:16:58.130","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: iscsi: Fix conn use after free during resets\n\nIf we haven't done a unbind target call we can race where\niscsi_conn_teardown wakes up the EH thread and then frees the conn while\nthose threads are still accessing the conn ehwait.\n\nWe can only do one TMF per session so this just moves the TMF fields from\nthe conn to the session. We can then rely on the\niscsi_session_teardown->iscsi_remove_session->__iscsi_unbind_session call\nto remove the target and it's devices, and know after that point there is\nno device or scsi-ml callout trying to access the session.","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:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/89812e7957ab0746eab66ed6fc49d52bb4dca250","https://git.kernel.org/stable/c/bf20d85a88384574fabb3d53ad62a8af57e7ab11","https://git.kernel.org/stable/c/d04958a348e560938410e04a12fb99da9c7e6a00","https://git.kernel.org/stable/c/ec29d0ac29be366450a7faffbcf8cba3a6a3b506","https://git.kernel.org/stable/c/f0a031f7c55ffd944fead1ddaf2aa94df9a158c1"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47328","score":0.00766,"percentile":0.55482,"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."]}