{"id":"CVE-2021-3638","state":"PUBLISHED","title":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the gu","description":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.","publishedAt":"2022-03-03T00:00:00.000Z","updatedAt":"2024-08-03T17:01:07.554Z","severity":null,"assigner":"redhat","products":["n/a QEMU"],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"Affects qemu v4.0 to v6.1","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1979858","https://ubuntu.com/security/CVE-2021-3638","https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01682.html","https://security.netapp.com/advisory/ntap-20220407-0003/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3638.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3638","state":"PUBLISHED","datePublished":"2022-03-03T00:00:00.000Z","dateUpdated":"2024-08-03T17:01:07.554Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2021-07-08T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service."}],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"Affects qemu v4.0 to v6.1","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1979858"},{"url":"https://ubuntu.com/security/CVE-2021-3638"},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01682.html"},{"url":"https://security.netapp.com/advisory/ntap-20220407-0003/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/","name":"FEDORA-2022-22b1f8dae2","tags":["vendor-advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/","name":"FEDORA-2023-c8a60f6f80","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","type":"CWE","lang":"en","description":"CWE-787 - Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2023-01-19T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1979858","tags":["x_transferred"]},{"url":"https://ubuntu.com/security/CVE-2021-3638","tags":["x_transferred"]},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01682.html","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20220407-0003/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/","name":"FEDORA-2022-22b1f8dae2","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/","name":"FEDORA-2023-c8a60f6f80","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:01:07.554Z"}}]}}}