{"id":"CVE-2021-20255","state":"PUBLISHED","title":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a D","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","publishedAt":"2021-03-09T19:14:05.000Z","updatedAt":"2024-08-03T17:37:23.158Z","severity":null,"assigner":"redhat","products":["n/a QEMU"],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"all versions","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1930646","https://www.openwall.com/lists/oss-security/2021/02/25/1","https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1","https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html","https://security.netapp.com/advisory/ntap-20210507-0003/"],"weaknesses":["CWE-835"],"ingestedAt":"2026-10-29T19:47:55.610Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/20xxx/CVE-2021-20255.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-20255","state":"PUBLISHED","datePublished":"2021-03-09T19:14:05.000Z","dateUpdated":"2024-08-03T17:37:23.158Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2020-12-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability."}],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"all versions","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1930646","tags":["x_refsource_MISC"]},{"url":"https://www.openwall.com/lists/oss-security/2021/02/25/1","tags":["x_refsource_MISC"]},{"url":"https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1","tags":["x_refsource_MISC"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html","name":"[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://security.netapp.com/advisory/ntap-20210507-0003/","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-835","description":"CWE-835","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2021-05-07T04:06:34.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1930646","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.openwall.com/lists/oss-security/2021/02/25/1","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html","name":"[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210507-0003/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:37:23.158Z"}}]}}}