{"id":"CVE-2016-1922","state":"PUBLISHED","title":"QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write o","description":"QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue.","publishedAt":"2016-12-29T22:00:00.000Z","updatedAt":"2024-08-05T23:10:40.299Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://www.openwall.com/lists/oss-security/2016/01/16/1","https://security.gentoo.org/glsa/201604-01","http://www.openwall.com/lists/oss-security/2016/01/16/6","http://www.debian.org/security/2016/dsa-3469","http://www.debian.org/security/2016/dsa-3470","http://www.debian.org/security/2016/dsa-3471","https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html","http://www.securityfocus.com/bid/81058","https://bugzilla.redhat.com/show_bug.cgi?id=1283934"],"weaknesses":[],"ingestedAt":"2026-10-29T19:42:33.324Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2016/1xxx/CVE-2016-1922.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2016-1922","state":"PUBLISHED","datePublished":"2016-12-29T22:00:00.000Z","dateUpdated":"2024-08-05T23:10:40.299Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2016-01-16T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/01/16/1","name":"[oss-security] 20160116 CVE request Qemu: i386: null pointer dereference in vapic_write","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://security.gentoo.org/glsa/201604-01","name":"GLSA-201604-01","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"http://www.openwall.com/lists/oss-security/2016/01/16/6","name":"[oss-security] 20160116 Re: CVE request Qemu: i386: null pointer dereference in vapic_write","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.debian.org/security/2016/dsa-3469","name":"DSA-3469","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"http://www.debian.org/security/2016/dsa-3470","name":"DSA-3470","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"http://www.debian.org/security/2016/dsa-3471","name":"DSA-3471","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html","name":"[qemu-devel] 20160115 [PULL] i386: avoid null pointer dereference","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.securityfocus.com/bid/81058","name":"81058","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1283934","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2017-11-03T18:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2016-01-15T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2016/01/16/1","name":"[oss-security] 20160116 CVE request Qemu: i386: null pointer dereference in vapic_write","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://security.gentoo.org/glsa/201604-01","name":"GLSA-201604-01","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2016/01/16/6","name":"[oss-security] 20160116 Re: CVE request Qemu: i386: null pointer dereference in vapic_write","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.debian.org/security/2016/dsa-3469","name":"DSA-3469","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://www.debian.org/security/2016/dsa-3470","name":"DSA-3470","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://www.debian.org/security/2016/dsa-3471","name":"DSA-3471","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html","name":"[qemu-devel] 20160115 [PULL] i386: avoid null pointer dereference","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.securityfocus.com/bid/81058","name":"81058","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1283934","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T23:10:40.299Z"}}]}}}