{ "schema_version": "1.4.0", "id": "GHSA-7p47-wfc3-mcqv", "modified": "2022-08-07T00:00:29Z", "published": "2022-05-24T17:35:40Z", "aliases": [ "CVE-2020-27821" ], "details": "A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27821" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1902651" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20210115-0006" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2020/12/16/6" } ], "database_specific": { "cwe_ids": [ "CWE-787" ], "severity": "MODERATE", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2020-12-08T22:15:00Z" } }